e
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Amphenol Backshells
VII - 1
Amphenol
Band Lock
Adaptor
Connector Group - J 0 0
Straight, 90 , 45
Band Lock Adaptor
G
G
G
Length
9 - for standard
Length in table / figure
J
4
TABLE - A
MIL PART NUMBER
DESIGNATOR
AMPHENOL PART
NUMBER DESIGNATOR
+0.00
-0.02
+0.00
-0.50
G
N/A N/A
0.56 14.22
N/A N/A
0.63 16.00
0.63 16.00
0.75 19.05
0.75 19.05
0.89 22.61
0.82 20.83
0.95 24.13
0.95 24.13
1.07 27.18
0.95 24.13
1.13 28.07
1.02 25.99
1.26 32.00
1.07 27.18
1.32 33.53
1.19 30.23
1.47 37.34
NOTE: * For more cable entry and length options, contact factory
How to select a suitable Backshell ?
1. Based on the design and application considerations select the backshell type from the “Backshell
Family” section in pages: 1-3
2. Go thru the Angle/profile” and “Coupling Style” sections in pages: 4-5 and make up your mind
about the configuration which suites your application.
3. Scan “Connector Group”(Tables:1A-D) in pages: 7-11 and find out the group code of the
connector for which you require the backshell.
4. Go to the respective detailed “Backshell family” section from Page: I-1 where get in to the
respective “Connector group”-“Angle/Profile” sub section and zero-in to the appropriate
backshell version.
5. Complete the part number by selecting relevant data from the correct diagram and tables in the
same section. Please go to Page-12 for Table-2, which gives many options for “Material & Finish”.
This selection could be done in much easier way from our web link
Http://www.backshellworld.com/backshelldesigner.asp
Cross reference to other make Backshells.
If you have a Miltary part number or other manufacturer's part number for which you are looking
for equivalent item, we have provided the same too in our web link
http://www.backshellworld.com/crossreference.aspx which you will find very user friendly.
Cross reference to the Military designation is provided in the Appendix - 1 of this catalogue.
Custom built Backshells
Backshells for Military & Aerospace applications are governed by SAE, AS85049 standard and
Amphenol Backshells are designed to meet the requirement of this standard. Though this standard
covers most popular styles of Backshells, many applications call for additional styles and designs. Here
is where the capability of Amphenol will come for your help. We will support you from the concept to
product realization and thereby your unique specification need is satisfied. Please visit our web link
http://www.backshellworld.com/customdesign.asp for further help
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Amphenol Backshells 6
Connector Group (Table - 1 A, B, C, D)
Connector
Specification Series/Class
Connector
Group
Code
By Specification (TABLE-1A)
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Amphenol Backshells 7
Military part
number prefix Specification Series/Class Connector
group code
By Military Part Number prefix (TABLE-1B)
Table Continued
Military part
number prefix Specification Series/Class Connector
group code
By Military Part Number prefix (TABLE-1B)
Connector Group (Table - 1 A, B, C, D)
Military part
number prefix Specification Series/Class Connector
group code
By Military Part Number prefix (TABLE-1B)
Table Continued
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Amphenol Backshells 8
Manufacturer's
part number Manufacturer
Connector
group
code
By Manufacturers Part Number prefix (TABLE-1C)
Connector Group (Table - 1 A, B, C, D)
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Amphenol Backshells 9
Manufacturer's
part number Manufacturer
Connector
group
code
By Manufacturers Part Number prefix (TABLE-1C)
Table Continued Table Continued
Connector Group (Table - 1 A, B, C, D)
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Amphenol Backshells 10
By Manufacturer’s Part Number prefix (TABLE-1C)
Manufacturer's
part number Manufacturer
Connector
group
code
Connector Group (Table - 1 A, B, C, D)
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Amphenol Backshells 11
Manufacturer's
part number prefix
Connector
group code
Manufacturer's
part number prefix
Connector
group code
Amphenol/Bendix/
Socapex/Pyle
Manufacturer's
part number prefix
Connector
group code
CN0930
By Manufacturer (TABLE-1D)
MATERIAL AND FINISHES
MATERIAL:
Aluminum parts: As per ASTM B 211,221,209,85,26
Steel parts: 300series,as per AMS-QQ-S-763/ASTM A 582
Elastomers: Fluro Silicon, Silicon
Other parts: Suitable corrosion resistant material
FINISH (TABLE-2)
Amphenol offers adaptors in the following standard finishes, which are not exhaustive. For
additional finishes specially required if any, please contact factory. The base material is Aluminium
alloy.
MIL (QPL) Qualification
Many Amphenol Backshells are qualified to SAE-AS 85049 standard. Qualification status of each
item shown in this catalogue may change and therefore please check with us or refer
“Qualified Product List” to know our exact qualification status at any time. A valid offer for a
MIL part Number at any time from Amphenol will only constitute our claim of approval validity.
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Amphenol Backshells 12
Table-2 (Plating Finishes)
ASSEMBLY TORQUE VALUE
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Amphenol Backshells 13
Amphenol recommends the following assembly torque values for its adaptors while assembling
to the connectors. These values are based on the coupling thread strength specified in
SAE-AS85049 standard
GUIDING SPECIFICATION
As per SAE, AS85049 standard (Old standard is MIL-C-85049).
Connector
shell Size
Torque
(Inch-Pounds)
8,9 40
3, 10, 10SL, 11 40
7, 12, 12S, 13 40
14, 14S, 15 40
16, 16S, 17 40
18, 19, 27 40
20, 21, 37 80
22, 23 80
24, 25, 61 80
28 100
32 100
36 100
40 120
44 120
48 120
Style-2 Cofiguration
Some design consideration will require bigger diameter cable to be terminated in the smaller shell size
connectors. Cable with heavy/thicker shielding, many wires for different branches/routing are some of
the examples. Such cable termination will require a bigger adaptor body with cable entry dimensions
more than the connector rear side dimentions. Amphenol support this kind of applications too. The
coupling end of the adaptor will be modified to Style-2 design as shown in the figure in such cases. The
overall length of the style-2 design adaptors would be increased by approx 1inch (25.4mm) as shown.
This alternate design is applicable for all the ‘Backshell Families’ listed in this catalogue
MATERIAL AND FINISHES
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Amphenol Backshells 14
STYLE-2 CONFIGURATION