MIL-DTL-55302/179C
F ± .015 (0.38 mm)
Type
Type of termination
Inches
mm
.733
18.62
I
Compliant pin (wrappost)
.533
13.54
II
.250
6.35
IV
.190
4.83
VI
Solder post (see note 10)
Inches
mm
Inches
mm
Inches
mm
.001
0.03
.050
1.27
.275
6.98
.002
0.05
.080
2.03
.300
7.62
.005
0.13
.085
2.16
.400
10.16
.006
0.15
.100
2.54
.407
10.34
.008
0.20
.120
3.05
.462
11.73
.010
0.25
.150
3.81
.475
12.06
.015
0.38
.182
4.62
.585
14.86
.020
0.51
.197
5.00
.025
0.64
.210
5.33
NOTES:
1. Dimensions are in inches.
2. Metric equivalents are given for information only.
3. Unless otherwise specified, tolerance is ± .005 (0.13 mm) on decimals and ± 2° on angles.
4. These connectors mate with connectors specified in MIL-DTL-55302/180.
5. Location indicators embossed on surface.
6. Numbers and indicating end cavities, letters indicating row nearest to polarizing feature, and markings every
ten positions stamped on this surface.
7. Holes for solder type shall be .042 - .050 (1.07 1.27 mm). Holes for compliant pin shall be manufactured as
follows: .0453 ± .0010 (1.151 ± 0.025 mm) drilled hole (1.15 mm drill) .001 - .003 (0.03 0.08 mm) thick copper
on wall, .0003 (0.008 mm) minimum tin lead plating, finished hole diameter .037 - .043 (0.94 1.09 mm) after
plating, .036 - .043 (0.91 1.09 mm) after reflow, copper hardness (knoop) 150 maximum.
8. Chamfers shall be .015 (0.38 mm) minimum at a 45° angle ± 5°.
9. There shall be a minimum of two standoffs per inch of connector length for the balance of the part. Standoffs
shall not compromise the terminating area washout feature.
10. See figure 1 for solder post types. Solder post shall be a .036 (0.91 mm) maximum diameter or .036 (0.91 mm)
maximum across the diagonal.
11. Guide pins are purchased separately. See MIL-DTL-55302/182.
FIGURE 2. Connectors, pin assemblies .100 (2.54 mm) spacing with one guide, 320 through 488 contacts - Continued.
4
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