MIL-PRF-39012/19H
w/AMENDMENT 1
20 April 2009
SUPERSEDING
MIL-PRF-39012/19H
16 November 2006
PERFORMANCE SPECIFICATION SHEET
CONNECTORS, RECEPTACLE, ELECTRICAL, COAXIAL, RADIO FREQUENCY,
(SERIES BNC (CABLED), SOCKET CONTACT, JAM NUT MOUNTED, CLASS 2)
This specification is approved for use by all Departments
and Agencies of the Department of Defense.
The requirements for acquiring the product described herein shall consist of
this specification sheet and MIL-PRF-39012.
FIGURE 1. General configuration.
AMSC N/A FSC 5935
INCH-POUND
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NOTES:
1. Dimensions are in inches.
2. Metric equivalents are given for information only.
3. For dimension A, see tables I and III.
4. Dimension .800 inch (20.32 mm) is the largest overall diameter of the connector.
5. Wrench flats are to accommodate standard wrench opening in accordance with FED-STD-H28,
appendix 10.
6. Orientation of the body hex flats, mounting flats and bayonet studs shall be ±3° of that orientation
shown.
7. All undimensioned pictorial representations are for reference purposes only.
8. Dimension A defines the maximum length of the connector when assembled to the appropriate
cable.
9. Series BNC, socket contact interface in accordance with MIL-STD-348.
FIGURE 1. General configuration – Continued.
Inches mm Inches mm
.022
.065
.104
.114
.215
.218
.221
.240
0.56
1.14
2.64
2.90
5.46
5.54
5.61
6.10
.493
.500
.505
.510
.620
.630
.196
.500
.843
12.52
12.70
12.83
12.95
15.75
16.00
20.22
20.32
21.41
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NOTES:
1. Dimensions are in inches.
2. Metric equivalents are given for information only.
3. Chamfer is optional.
4. Concave depression .100 inch (2.54 mm) x .005 inch (0.13 mm) deep between studs permissible.
FIGURE 2. Category D captivation details.
Inches mm
.002
.006
.010
.036
.077
.234
0.05
0.15
0.25
0.91
1.96
5.94
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TABLE I. Dash numbers, cross-reference, and dimensions.
Part or Identifying Number
(PIN) 1/
M39012/19-
Applicable cable 2/
M17/ Dimensions Inches (millimeters)
maximum #
Category A – Field serviceable (no special tools required) 3/
X101
(Superseding –0111 4/)
Cable group VI
60-RG142 5/
128-RG400 6/
X102
(Superseding –0118 4/)
Cable group VII
110-RG302 5/ 6/ 7/
X110
Cable group IV
54-RG122 6/
X220
Cable group II
113-RG316 5/ 6/
X225
Cable group X
127-RG393 5/ 6/
A
1.250 (31.75)
See notes at end of table.
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TABLE I. Dash numbers, cross-reference, and dimensions – Continued.
PIN 1/
M39012/19-
Applicable cable 2/
M17/ Dimensions Inches (millimeters)
maximum #
Category C – Field replaceable (MIL-DTL-22520 crimp tool)
See note next to applicable cable group for crimp die 3/ 8/
X013
Cable group VIA 9/
111-RG303 5/ 6/
X014
Cable group VIB 9/
60-RG142 5/
128-RG400 6/
X015
(Superseding –0020 4/)
Cable group VIIA 10/
110-RG302 5/ 6/ 7/
X016
Cable group IV 11/
54-RG122 6/
X017
Cable group VIIB 10/
90-RG71 6/ 7/
X221
Cable group IIA 12/
113-RG316 5/ 6/
A
1.625 (41.28)
See notes at end of table.
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TABLE I. Dash numbers, Cross-reference, and dimensions – Continued.
PIN 1/
M39012/19-
Applicable cable 2/
M17/ Dimensions Inches (millimeters)
maximum #
Category D – Field replaceable – Defined piece part 3/ 8/ 13/ 14/
X501
Cable group IV
54-RG122 6/
X502
Cable group V
95-RG180 5/ 6/ 7/
X503
Cable group VIB
60-RG142 5/
128-RG400 6/
X504
Cable group VIA
111-RG303 5/ 6/
A
1.468 (37.31)
1/ For cross-reference of PIN to superseded PIN or designation, see table IV.
2/ The latest version of each cable shall be applicable.
3/ These connectors have captivated center contacts.
4/ The superseded PIN is NOT acceptable for Government use.
5/ Cable to be used for the +200°C temperature cycling tests. This cable may be used for tests with the
approval of the Qualifying Activity.
6/ Cable to be used when performing test requiring cable except as in 5/ and 7/.
7/ These are not 50-ohm cables; therefore, when attached to the specified connectors, VSWR, RF
leakage and insertion loss are not applicable.
8/ These connectors are assembled using the applicable crimp tool, to the specified cables stripped as
shown on figure 4.
9/ M22520/5-19 closure B or M22520/5-05 closure A.
M22520/5-11 closure A.
M22520/5-57 closure A.
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TABLE I. Dash numbers, Cross-reference, and dimensions – Continued.
10/ M22520/5-19 closure A or M22520/5-07 closure A.
M22520/5-13 closure A.
M22520/5-59 closure A.
11/ M22520/5-41 closure B or M22520/5-05 closure B.
M22520/5-09 closure A.
12/ M22520/5-35 closure B or M22520/5-03 closure A.
13/ Complete connector assembly shall consist of a body, center contact, ferrule and assembly
instructions.
14/ Not to be used in Army equipment.
# Dimensions are in inches. Metric equivalents are given for information only.
X Denotes connector body plating material option. The only plating options allowable are Silver or
Nickel over brass in accordance with MIL-PRF-39012. Only connectors of the same materials shall
be mated to avoid dissimilar metal problems. C AUTION: A NICKEL PLATED BODY IS NOT FOR
USE IN APPLICATIONS WHERE PASSIVE INTERMODULATION GENERATION (PIM) MAY BE A
CONCERN (http://amphenolrf.com/simple/PIM%20Paper.pdf). Silver is the preferred plating
option.
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Dash
number
Ferrule
number
1/
A
±0.003
B
±0.003
Basic
crimp
tool 2/
Crimp die
or
positioner
M22520/5
X501
X502 19-50 0.212 0.175
05, 41
Closure B
or
9
Closure A
X503 19-51 0.250 0.220
X504 19-52 0.245 0.206
M22520/5-01
05, 11, 57
Closure A
or
19
Closure B
1/ Contact numbers and ferrule numbers are for identification only.
2
/ Class 2 tool may be used by OEM (see MIL-DTL-22520).
FIGURE 3. Contact and ferrule dimensions for category D only.
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Inches mm Inches mm Inches mm Inches mm
.001
.002
.003
.005
.015
.017
0.03
0.05
0.08
0.13
0.38
0.43
.033
.035
.040
.043
.067
.083
0.84
0.89
1.02
1.09
1.70
2.11
.145
.175
.183
.206
.210
.212
3.68
4.45
4.65
5.23
5.33
5.38
.220
.230
.235
.250
.478
.500
5.59
5.84
5.97
6.35
12.14
12.70
Dash
number
Contact
number 1/
A
+0.001
-0.002
Basic crimp
tool 2/
Crimp die
or
positioner
Crimp
tensile,
pounds
min. (N)
Color band Color band
o
X501 19-12 0.033 10 lbs
(44.48) Orn
X502 19-11 0.017
M22520/1-01 M22520/1-12 6 lbs
(26.69) Blue
X503
X504 19-10 0.043 M22520/1-01 M22520/1-12
20 lbs
(88.96) Red
Blue
1/ Contact numbers and ferrule numbers are for identification only.
2/ Class 2 tool may be used by OEM (see MIL-DTL-22520).
NOTES:
1. Dimensions are in inches.
2. Metric equivalents are given for information only.
3. Contact material shall be copper beryllium. Connectors supplied with phosphor bronze
contacts are not acceptable for Government use until.
4. Crimp tensile lest shall be in accordance with SAE-AS39029.
5. Copyright notice: All information disclosed in these specification sheets which is or may be copyright is
reproduced herein with the express permission of the copyright owner.
6. .003 inch maximum break.
7. Color bands shall be positioned so that no coloring material enters the inspection hole.
FIGURE 3. Contact and ferrule dimensions for category D only - Continued.
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Inches mm
.146
.166
.333
.353
.427
.447
.593
3.71
4.22
8.46
8.97
10.85
11.35
15.06
NOTES
1. Dimensions ore in inches.
2. Metric equivalents are given for information only.
FIGURE 4. Cable stripping dimensions for field replaceable connectors.
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ENGINEERING DATA
Nominal impedance: 50 ohms.
Frequency range: 0 to 4 GHz.
Voltage rating:
500 volts rms, maximum working voltage at sea level.
125 volts rms, maximum at 70,000 feet (4.437 kPa).
Temperature rating: -65°C to +165°C.
REQUIREMENTS
Dimensions and configuration: See figures 1 and 3.
Force to engage and disengage:
Longitudinal force: 3 pounds (13.34 N), maximum.
Torque: 2.5 Inch-pounds (.28Nm), maximum.
Coupling proof torque: Not applicable.
Inspection conditions: Coupling torque not applicable.
Mating characteristics:
In accordance with MIL-STD-348 and figure 2 for dimensions.
Center contact (socket):
Oversize test pin: .057 inch (1.45 mm) diameter, minimum (nonclosed entry contacts only).
Insertion depth: .125 inch (3.17 mm), minimum.
Number of insertions: 1.
Insertion force test: Steel test pin diameter .054 inch (1.37 mm), minimum.
Test pin finish: 16 microinches (0.406 µm).
Insertion force: 2 pounds, (8.90 N), maximum.
Withdrawal force test: Steel test pin diameter .052 inch (1.32 mm), maximum.
Withdrawal force: 2 ounces (.56 N), minimum.
Test pin finish: 16 microinches (0.406 µm).
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Hermetic seat: Not applicable.
Leakage: Connector shall be mounted in mounting hole shown on figure 1 with mating end capped.
Test applicable to mounting seal only.
Air pressure - 30 Lbf/in2.
Duration - 30 seconds, minimum.
Insulation resistance: Method 302 of MIL-STD-202, test condition B, 5,000 megohms, minimum.
Center contact retention: 6 pounds (26.69), minimum axial force. Applicable to captivated center contact
connectors only.
Corrosion (salt spray): Method 101 of MIL-STD-202, test condition B.
Voltage standing wave ratio (VSWR): From 500 to 4 GHz, or approximately 80 percent of upper cutoff
frequency of the cable, whichever is lower; 1.30, maximum.
Swept frequency VSWR test setup:
Item 6: VSWR shall be less than 1.015+ .005 F (F in GHz). -
Item 16: VSWR shall be less than 1.015 + .005 F (F in GHz).
Second step of VSWR checkout procedure: VSWR shall be less than 1.045+.019 F (F in GHz).
Group B inspection: VSWR shall be less than 1.1+ .01 F (F in GHz).
Qualification and group C inspection: VSWR shall not exceed 1.15.
Connector durability: 500 cycles, minimum at 12 cycles per minute, maximum. The connector shall meet
the mating characteristics end force to engage and disengage requirements.
Contact resistance: In milliohms, maximum:
Initial After environment
Center contact 1.5 2.0
Outer contact (silver) .2 Not applicable
Outer contact (nickel) .4 Not applicable
Braid to body .1 Not applicable
Dielectric withstanding voltage: Method 301 of MIL-STD-202, 1,500 volts rms, minimum at sea level.
Vibration, high frequency: Method 204 of MIL-STD-202, test condition B. No discontinuity permitted.
Shock: Method 213 of MIL-STD-202, test condition G. No discontinuity permitted.
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Thermal shock: Method 107 of MIL-STD-202, test condition B, except test high temperature shall be
+85°C. High temperature shall be +200°C for connectors using +200°C cables (see tables I and Ill).
Moisture resistance: Method 106 of MIL-STD-202. No measurements at high humidity. Insulation
resistance shall be at least 200 megohms within 5 minutes after removal from humidity.
Corona Level:
Voltage: 375 volts rms, minimum.
Altitude: 70,000 feet (4.437 kPa).
RF high potential withstanding voltage:
Voltage and frequency: 1,000 volts rms at a frequency from 5 to 7.5 MHz.
Leakage current: Not applicable.
Cable retention force:
Noncrimp assemblies: 40 pounds (177.92 N), minimum.
Crimp assemblies:
10 pounds (44.48 N), minimum for cables .155 - .189 inch (3.96 mm – 4.80 mm) OD.
20 pounds (88.96 N), minimum for cables .190 - .229 inch (4.83 mm – 5.82 mm) OD.
30 pounds (133.45 N), minimum for cables .230 - .249 inch (5.84 mm – 6.32 mm) OD.
40 pounds (177.93 N), minimum for cables .250 inch (6.35 mm) OD - and larger.
Coupling mechanism retention force: Not applicable.
RF leakage: -55 dB minimum, tested at a frequency between 2 and 3 GHz.
Insertion loss: .2 dB maximum tested at 3 GHz.
PIN: M39012/19 (dash number from table I or “B” number from table III).
Group qualification: See table II.
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TABLE II. Group qualification. 1/
Group
Submission and qualification of 2/
any of the following connectors
M39012/
Qualifies the following
connectors
M39012/
I 17-X101
17-X103
17-X111
17-X118
18-X102
18-X103
18-X111
18-X118
19-X101
19-X110
19-X111
19-X118
19-X220
17-X101
17-X102
17-X103
17-X111
17-X118
18-X101
18-X102
18-X103
18-X111
18-X118
19-X101
19-X102
19-X110
19-X111
19-X118
19-X220
II 17-X102
18-X101
19-X102
17-X102
18-X101
19-X102
III 17B0004
17B0005
17B0006
17B0007
17B0009
17B0019
18B0004
18B0005
18B0006
18B0007
18B0009
18B0019
19B0003
19B0004
19B0005
19B0006
19B0008
19B0019
17B0004
17B0005
17B0006
17B0007
17B0008
17B0009
17B0012
17B0019
18B0004
18B0005
18B0006
18B0007
18B0008
18B0009
18B0012
18B0019
19B0003
19B0004
19B0005
19B0006
19B0007
See notes at end of table.
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TABLE II. Group qualification - Continued. 1/
Group
Submission and qualification of 2/
any of the following connectors
M39012/
Qualifies the following
connectors
M39012/
III 19B0008
19B0012
19B0019
IV 17B0008
17B0012
18B0008
18B0012
19B0007
19B0012
17B0008
17B0012
18B0008
18B0012
19B0007
19B0012
V 17-X013
17-X014
17-X016
17-X020
18-X013
18-X014
18-X016
18-X020
19-X013
19-X014
19-X016
19-X020
19-X221
17-X013
17-X014
17-X015
17-X016
17-X017
17-X020
18-X013
18-X014
18-X015
18-X016
18-X017
18-X020
19-X013
19-X014
19-X015
19-X016
19-X017
19-X020
19-X221
VI 17-X015
17-X017
18-X015
18-X017
19-X015
19-X017
17-X015
17-X017
18-X015
18-X017
19-X015
19-X017
VII 19-X501
19-X503
19-X504
19-X501
19-X502
19-X503
19-X504
VIII 19-X502 19-X502
See notes at end of table.
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1/ If a connector manufacturer produces a connector which meets all the requirements for two or more
connector PIN’s (within the same series), the manufacturer may receive qualification approval for two
or more connector plus qualifying the one connector. It is not necessary that such connectors be in
the same group. Each connector, however, must be marked with its own appropriate PIN. For group
qualification, the connectors must be of similar design and be of the same materials and plating.
2/ For qualification retention, where more than one part is listed in a group in this column, data may be
supplied on any of those parts in order to retain qualification for those parts in the corresponding right
hand column. The part does not necessarily have to be the part initially qualified.
3/ Qualification by similarity may be given for the like styles of currently qualified TNC series connectors
with the approval of the qualifying and preparing activity. Similarity will include, cable accommodation,
materials and plating, assembly procedures and crimp tools/dies, as a minimum.
TABLE IlI. Category B – Non-field replaceable (special tools may be required).
Dash number
1/ 2/ 3/
Applicable cable
M17/ 4/ Dimensions
Inches
(millimeters)
maximum #
M39012/19B0003 028-RG058*
M39012/19B0004 084-RG223*
M39012/19B0005 111-RG303*
M39012/19B0006 060-RG142*@
29-RG59*Δ
030-RG062Δ
M39012/19B0007 97-RG210 Δ
M39012/19B0008 054-RG122
M39012/19B0012 90-RG71*Δ
M39012/19B0019 110-RG302*@Δ
A
1.625 (41.28)
1/ For cross-reference of PIN to superseded PIN or type designation, see table IV.
2/ For maintenance replacements for category B, see table V.
3/ Inactive for new design.
4/ The latest version of each cable shall be applicable.
# Dimensions are in inches. Metric equivalents are given for information only.
* Cable to be used when performing tests requiring cable except as in notes @ and Δ.
@ Cable to be used for the +200°C temperature cycling tests. This cable may be used for tests with the
approval of the Qualifying Activity.
Δ These are not 50 ohm cables; therefore, when attached to the specified connectors, VSWR, RF
leakage, and insertion loss are not applicable.
Not for Air Force, Army or Navy use. For OEM use only.
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TABLE IV. Cross-reference of PIN’s.
Preferred PIN
M39012/19
Substitute for PIN or type designation 1/ 2/
-0101
-0102
B0003
B0004
B0005
B0006
B0007
B0008
-0110
-0111
B0012
-0013
-0014
-0015
-0016
-0117
-0018
B0019
-0020
-0501
-0502
-0503
-0504
UG-909/U, M39012/19-0001
UG-910/U, M39012/19-0002
M23329/3-15, M39012/19-0003
M23329/3-16, M39012/19-0004
M23329/3-17, M39012/19-0005
M23329/3-18, M39012/19-0006
M23329-3-19, M39012/19-0007
M23329/3-20, M39012/19-0008
M39012/19-0010
M39012/19-0011
M39012/19-0012
M39012/19-0018
M39012/19-0019
1/ The superseded PIN or the type designation is for cross-reference only.
Where a superseded PIN or type designation is not given, none was
assigned or will be assigned. The PIN M39012/19-XXXX shall be used
in all cases for marking and identifying the connector.
2
/ The basic type designation includes all letter versions of the specified
number, e.g. UG-18/U includes UG-18 A/U, UG-18 B/U, etc.
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TABLE V. Maintenance replacements for category D.
Category B*
number Inactive for
new design
Category C
dash number
Category A
dash number
Category D
dash number
B0003
B0004
B0005
B0006
B0007
B0008
B0012
B0019
0013
0014
0013
0014
0015
0016
0017
0020
0101
0101
0101
0101
0102
0110
0102
0118
0504
---
---
0503
---
0501
---
---
*Category B connectors are for original installation only. They will not be stocked or acquired by the
Government.
Amendment notations. The margins of this specification are marked with vertical lines to indicate
modifications generated by this amendment. This was done as a convenience only and the Government
assumes no liability whatsoever for any inaccuracies in these notations. Bidders and contractors are
cautioned to evaluate the requirements of this document based on the entire content irrespective of the
marginal notations.
Referenced documents. In addition to MIL-PRF-39012, this document references the following:
MIL-STD-202
MIL-STD-348
MIL-DTL-22520
FED-STD-H28
SAE-AS39029
CONCLUDING MATERIAL
Custodians: Preparing activity:
Army-CR DLA-CC
Navy - EC
Air Force – 85 (Project 5935-2008-190)
NASA - NA
DLA – CC
Review activities:
Army - AT, AV, EA, MI
Navy - AS, MC, OS, SH
Air Force -19, 99
NOTE: The activities listed above were interested in this document as of the date of this document.
Since organizations and responsibilities can change, you should verify the currency of the information
above using the ASSIST Online database at http://assist.daps.dla.mil.
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