DETAIL SPECIFICATION SHEET
CONNECTORS, RECEPTACLE, ELECTRICAL, BOX MOUNTING,
FLANGE, BAYONET COUPLING, SOLDER CONTACT, SERIES 1
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-DTL-26482.
FIGURE 1. Receptacle.
AMSC N/A FSC 5935
Inactive for new design after 15 December 1998. For new
design, use MS3470.
INCH-POUND
MS3112H
1 March 2007
SUPERSEDING
MS3112G
30 July 1979
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MS3112H
2
FIGURE 1. Receptacle - Continued.
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MS3112H
3
FIGURE 1. Receptacle - Continued.
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MS3112H
4
Shell
size
A
max
length
B
(TP)
-
mounting
holes
C
+ .031
- .016
OD
F
+ .031
- .000
mounting
flange
location
G
± .016
thick
mounting
flange
H
± .005
dia
mounting
holes
8 .828 (21.03) .594 (15.09) .438 (11.12)
10 .954 (24.23) .719 (18.26) .562 (14.27)
12 1.047 (26.59) .812 (20.62) .688 (17.48)
14 1.141 (28.98) .906 (23.01) .812 (20.62)
16 1.234 (31.34) .969 (24.61) .938 (23.83)
18 1.328 (33.73) 1.062 (26.97) 1.062 (26.97)
.431 (10.95) .062 (1.57)
20 1.453 (36.91) 1.156 (29.36) 1.188 (30.18)
22 1.578 (40.08) 1.250 (31.75) 1.312 (33.32) .556 (14.12)
.120 (3.05)
24 1.703 (43.26) 1.375 (34.93) 1.438 (36.53) .589 (14.96)
.094 (2.39)
.147 (3.73)
Shell
size
J
max
L
max
overall
length
N
UNEF-2A
thread
optional
P
min
edge
distance
R
max
packing
ring
S
max
8 .4375-28 .329 (8.36)
10 .5625-24 .457 (11.61)
12 .6875-24 .564 (14.33)
14 .8125-20 .689 (17.50)
16 .9375-20 .814 (20.68)
18
.354
(8.99) .978 (24.84)
1.0625-18
.035 (0.89)
.907 (23.04)
.087 (2.21)
20 1.1875-18 1.039 (26.39)
22 .417
(10.59) 1.3125-18 1.164 (29.57)
24 .445
(11.30)
1.196 (30.38) 1.4375-18 .050 (1.27)
1.289 (32.74)
.212 (5.38)
FIGURE 1. Receptacle - Continued.
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MS3112H
5
Inches mm Inches mm
.005 0.13 .020 0.51
.010 0.25 .031 0.79
.015 0.38 .070 1.78
.016 0.41 .156 3.96
NOTES:
1. Dimensions are in inches. Metric equivalents are given for information only.
2. True position (TP) tolerances specified are in accordance with ASME Y14.5M.
FIGURE 1. Receptacle - Continued.
REQUIREMENTS:
Dimensions and configurations: See figure 1.
Connector mating: This connector mates with MS3111, MS3116, MS3121 and MS3126.
For insert arrangement: See MIL-STD-1669.
Intermateability dimensions are in accordance with MIL-DTL-26482.
Part or Identifying Number (PIN) example:
MS3112 F 12 -3 P W
MS number
Class
Shell size
Insert arrangement
Contact style
Alternate insert position
Changes from previous issue. Marginal notations are not used in this revision to identify changes with
respect to the previous issue due to the extent of the changes.
Referenced documents. In addition to MIL-DTL-26482, this document references the following:
MS3111
MS3116
MS3121
MS3126
MS3470
MIL-STD-1669
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MS3112H
6
CONCLUDING MATERIAL
Custodians: Preparing activity:
Army – CR DLA – CC
Navy – AS
Air Force – 11
DLA – CC
(Project 5935-4656-003)
Review activities:
Army – AV
Navy – SH
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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