MIL-DTL-642/8B
Inches
mm
Inches
mm
Inches
mm Inches
mm Inches
mm
.002
0.05
.122
3.10
.365
9.27
.620
15.75 .968
24.59
.003
0.08
.150
3.81
.385
9.78
.676
17.17 1.093
27.76
.005
0.13
.165
4.19
.500
12.70 .781
19.84 1.843
46.81
.008
0.20
.2812
7.14
.515
13.08 .905
22.99 1.937
49.20
.015
0.38
.302
7.67
.593
15.06 .967
24.56 3.046
77.37
.099
2.51
.304
7.72
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).
FIGURE 1. Dimensions and configuration - Continued.
REQUIREMENTS:
Dimensions and configuration: See figure 1.
Shell shall be red plastic in accordance with MIL-DTL-642.
Terminal screws shall be .086-64 UNF-2A in accordance with MIL-DTL-642/12.
The Part or Identifying Number (PIN) consists of the letter M, the basic specification number, the
specification sheet number, and dash number for plug type. (see table I)
M
642
/8
-
1
Type designation
Specification sheet number
Specification number
M prefix
PIN example: M642/8-1 indicates type PJ-309 telephone plug.
2