Backshells
QPL
www.amphenolpcd.com
info@amphenolpcd.com OR sales@backshellworld.com
1(978) 624-3400
72 Cherry Hill Drive, Beverly, MA 01915
1
Backshells
Within Amphenol’s wide range of interconnect products is a full range
of backshell hardware. Customers can take advantage of Amphenol’s
global synergy for connectors, backshells and cable harnessing in
one place for all their interconnect needs. Plus, coming to Amphenol
for a custom design of a backshell means that customers benefit from
the vast amount of experience this global company has in designing
interconnect solutions.
Amphenol
Pcd
Connecting People & Technology
TABLE OF CONTENTS
HOW TO SELECT A BACKSHELL
How to Select a Backshell
Backshell Type
Angles/Profiles & Coupling Styles
Connector Group Code
Materials & Finishes
Assembly Torque Value & Style 2 Configuration
5
5
6-7
8
9-13
14
15
16
16
17
18
19
19
20
21
22
22-29
30
30-34
35
35-39
40-44
45-49
50
50
51
52
NON-ENVIRONMENTAL
Connector K
Connector L
53
53-55
56-58
59
59-63
64-66
67-69
70
70
71
72
73
NON-ENVIRONMENTAL EMI/RFI
Connector J
Connector K
Connector L
BAND LOCK ADAPTER
Connector J
Connector K
Connector L
PRE-SHIELD ADAPTER
Connector J
Connector K
Connector L
CRIMP RING ADAPTER
Connector J
Connector K
Connector L
TIE WRAP
Connector
Connector K
Connector L
J
73
74
75
76
76
77
78
79-90
91
92
DUST CAPS
Plugs Receptacles
SHRINK BOOT ADAPTER
Connector J
Connector K
Connector L
ENVIRONMENTAL
Connector J
ENVIRONMENTAL EMI/RFI
Connector J
Connector K
Connector L
STRAIN RELIEF CLAMP
HEXAGON PANEL NUT
ELECTRICAL, CIRCULAR,
RECEPTACLE,
THREADED SERIES
APPENDIX
GROMMET NUT
Connector J
Connector K
Connector L
93
4
Backshells
HOW TO SELECT A BACKSHELL
1. Select the Backshell Type, pg. 6-7
(i.e. Non-Environmental backshell)
2. Select Angle, pg. 8
(i.e. Straight)
3. Select Coupling Style, pg. 8
(i.e. Spin)
In order to complete steps 4-9, you must know the connector specification. For example, we’ll use connector D38999/26WB35PN
to walk through the remaining steps of selecting a backshell.
4. Select Connector Group Code based on your connector specification, pg. 9-13
(i.e. L)
5. Go to Table of Contents, pg. 4, to find the page numbers your selection resides
(i.e. page 56-58)
6. For the material and finish options, review Table-2 on pg. 14
(i.e. Cadmium Olive Drab over Electroless Nickel)
*Recommended to follow the same finish as connector
In order to complete step 7, you must know the actual cable diameter. For example, we’ll use the cable diameter of 0.20 inches to
walk through the remaining steps of selecting a backshell.
7. Determine the clamp size by using the table on the product page.
(i.e. page 56)
For this example a 0.20 in cable diameter
will be used.
(i.e. Clamp size-02)
*Omit if not available in the backshell selected
8. If applicable, determine backshell length using the table on the product page.
(i.e. page 56; 2.53 = A)
*Omit if not available in the backshell selected/ Skip for 90
o
and 45
o
backshells
9. Build a part number based on the selections you made
(i.e. M85049/2111W02A)
*Contact Amphenol Pcd if you can not find your preferences to meet your application, we may be able to support under priority part number
Cross Reference
If you have a Military part number or other manufacturer’s part number for which you are looking for an equivalent item, we
have provided a cross-reference on our web link:
http://www.backshellworld.com/crossreference.aspx
Customize
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 the most popular styles of backshells, many
applications call for additional styles and designs. Here is where the capability of Amphenol can support you from the concept to
product realization and thereby your unique specification need is satisfied.
Please visit our web link for further help:
http://www.backshellworld.com/customdesign.asp
www.amphenolpcd.com
info@amphenolpcd.com OR sales@backshellworld.com
1(978) 624-3400
72 Cherry Hill Drive, Beverly, MA 01915
5
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