MIL-DTL-55302/128D
Inches
mm
Inches
mm
Inches
mm
Inches
mm
.002
0.05
.066
1.68
.145
3.68
.300
7.62
.003
0.08
.069
1.75
.160
4.06
.310
7.87
.005
0.13
.076
1.93
.179
4.55
.320
8.13
.015
0.38
.077
1.96
.195
4.95
.325
8.26
.035
0.89
.080
2.03
.206
5.21
.375
9.52
.040
1.02
.088
2.24
.232
5.89
.380
9.65
.050
1.27
.095
2.41
.238
6.05
.445
11.30
.060
1.52
.100
2.54
.288
7.32
.700
17.78
.065
1.65
.144
3.66
NOTES:
1. Dimensions are in inches.
2. Metric equivalents are given for information only.
3. Unless otherwise specified, tolerance is ± .010 (0.25 mm).
4. The mating post array must be maintained on .100 centerline grid spacing.
5. Post engagement length is .323 maximum, .308 minimum from edge of board, when connector is
mounted in accordance with figure 1. Total mating positions to be determined by connector size
in accordance with table I.
6. Post location tolerance not to accumulate.
7. Mating post tips must be maintained within .015 diameter true position allowance (total).
8. Mating posts may consist of post staked directly into printed circuit boards, or mounted in insulator
bodies.
9. The first and last circuit shall be numbered and every fifth circuit shall have an identifiable mark on
the top surface of the housing beginning with the first circuit on the left (no. 1) looking at the
mating face of the connector.
10. Mounting ears shall be molded or bonded to the insulator.
11. Housing configurations 1, 3, and 4 terminate directly to the board and therefore do not meet the
requirements of IPC-D275.
12. Dimension C, contact centerline, to be .100 (2.54 mm); ± .003 (0.08) tolerances not to
accumulate within one connector pattern.
FIGURE 1. Connector, receptacle, .100 (2.54 mm) spacing Continued.
4
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