MIL-DTL-642/4B
Inches
mm
Inches
mm
Inches
mm Inches
mm Inches
mm
.002
0.05
.093
2.36
.281
5.54 .437.5
11.11 .993
25.22
.003
0.08
.175
4.45
.296
7.51
.500
12.70 1.218
30.94
.008
0.20
.187
4.75
.370
9.40
.750
19.05 1.562
39.67
.015
0.38
.218
5.54
.406
10.31 .781
19.84 1.625
41.28
.020
.051
.250
6.35
.437
11.10 .890
22.61 2.843
72.21
NOTES:
1. Dimensions are in inches.
2. Metric equivalents are given for information only.
3. Unless otherwise specified, tolerance is ±.010 (.25mm).
4. After assembly, the eccentricity between the end of the shank and the tip of the plug shall not exceed
.008 inch (.20mm) total indicator reading (TIR).
5. There shall be a sufficient length of thread on the shell to assure a minimum thread engagement of
four full threads between the shell and the body of the plug after assembled. When the plug shell and
body are assembled, the shell shall not protrude beyond the shoulder of the plug.
6. Details of this assembly shall be in accordance with drawings referenced herein and may be obtained
online from https://cecom.army.mil/ or from US Army Communications-Electronics Command, 6002
Combat Drive, Aberdeen Proving Ground, MD 21005.
FIGURE 1. Dimensions and configuration - Continued.
REQUIREMENTS:
Dimensions and configuration: See figure 1.
Shell types PJ-055B and PJ-055R shall be plastic in accordance with MIL-DTL-642. Type PJ-055M shall
be metal.
Terminal screws shall be .086-64 UNF-2A in accordance with MIL-DTL-642/12.
One cord clamp in accordance with Signal Corps drawing SC-A-7674 shall be supplied with each plug.
2