Amphenol SOCAPEX │ MIL-DTL-38999 SERIES │ Assembly instructions
CONTACT ASSEMBLY - CONTACT CRIMPING
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Wire stripping
1 Strip wire to required length. (See stripping dimensions table below). When using hot wire stripping, do not wipe melted insulation material on wire strands; with mechanical strippers do not cut or nick strands. 2 See table 1 for proper finished outside wire dimensions. 3 Twist strands together to form a firm bundle. 4 Insert stripped wire into contact applying slight pressure until wire insulation butts against wire well. Check inspection hole to see that wire strands are visible. If there are strayed wire strands, entire wire end should be re-twisted. When wire is stripped and properly installed into contact, the next step is to crimp the wire inside the contact by using the proper crimping tool.
Stripping dimension
Table 1
Contact size
Stripping length
Wire Dimension (inches)** Min. Max.
Contact size
4 4 6 6 6
23 HD
.135 .097 .065 .040 .034 .030
.162 .142 .109 .077 .060 .050
10 12 16 20 22
22D
20 16 12
22M. 22D
Contact crimping
Select the recommended crimping tool, turret head or positioner selection settings according to contact size. part number and wire gauge size. 1 Insert stripped wire into contact crimp pot. Wire must be visible through inspection hole. 2 Using correct crimp tool and locator, cycle the tool once to be sure the indentors are open. insert contact and wire into locator. Squeeze tool handles firmly and completely to insure a proper crimp. The tool will not release unless the crimp indentors in the tool head have been fully actuated. 3 Release crimped contact and wire from tool. Be certain the wire is visible through inspection hole in contact.
All dimensions are given for information only and are in mm, except as otherwise specified │ *in mm: 1mm=0.03937 inch
HD High density 38999.
Amphenol SOCAPEX
Due to technical modifications, all information provided is subject to change without prior notice Designed by Amphenol Socapex
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