MIL-DTL-3655/4C
Item
Description
Material
Quantity
1
Body
Brass
1
2
Insulator
Plastic
1
3
Nut
Brass
1
4
Pin
Brass
1
5
Gasket
Silicon rubber
1
6
Ring
Phosphor bronze
2
7
Spring
Phosphor bronze
1
8
Pin
Beryllium copper
2
9
Insulator
Plastic
1
10
Center contact
Beryllium copper
2
11
Pin
Brass
1
Inches
mm
Inches
mm
Inches mm
Inches mm
Inches
mm
.0005
0.013
.030
0.76
.090 2.29
.388 9.86
.687
17.45
.001
0.03
.031
0.79
.092 2.34
.475 12.07
.750
19.05
.002
0.05
.032
0.81
.093 2.36
.533 13.54
.835
21.21
.003
0.08
.040
1.02
.095 2.41
.535 13.59
.881
22.38
.004
0.10
.045
1.14
.105 2.67
.562 14.27
1.000
25.40
.005
0.13
.055
1.40
.112 2.84
.565 14.35
1.125
28.58
.0075
0.190
.059
1.50
.125 3.18
.590 14.99
1.130
28.70
.0095
0.241
.060
1.52
.187 4.75
.615 15.62
1.250
31.75
.012
0.30
.061
1.55
.218 5.54
.620 15.75
1.308
33.22
.015
0.38
.062
1.57
.250 6.35
.648 16.46
1.673
42.49
.020
0.51
.0625
1.588
.280 7.11
.654 16.61
.022
0.56
.063
1.60
.341 8.66
.671 17.04
.025
0.64
.070
1.78
.375 9.53
.675 17.15
NOTES:
1. Dimensions are in inches.
2. Metric equivalents are given for information only.
3. Unless otherwise specified, the tolerance is ± 005 (0.13 mm).
4. Protruding length of item 8 shall be flush with outside surface of item 1.
5. Item 4 is not used with alternate construction.
6. Polarizing key position on one end must be located 180º from polarizing key on opposite end.
7. All undimensioned pictorial representations are for reference purposes only.
FIGURE 1. Type UG-493A/U, connector, electrical, adapter - Continued.
6
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