MIL-DTL-21097G
Contact
spacing
Dim B
Dim A
Dimension T ±.005 (0.13)
±.005 (0.13)
±.005 (0.13)
non-accum
Size 0
Size 1
Size 2
Size 3
Size 4
.050 (1.27)
.042 (1.07)
.030 ±.003
.031 (0.79)
.047 (1.19)
.062 (1.57)
.093 (2.36)
.125 (3.18)
(0.76 ±0.08)
.075 (1.91)
.031 (0.79)
.047 (1.19)
.062 (1.57)
.093 (2.36)
.125 (3.18)
.100 (2.54)
.093 (2.36)
.052 (1.32)
.031 (0.79)
.047 (1.19)
.062 (1.57)
.093 (2.36)
.125 (3.18)
.125 (3.18)
.156 (3.96)
.105 (2.67) 1/
.094 (2.39)
.031 (0.79)
.047 (1.19)
.062 (1.57)
.093 (2.36)
.125 (3.18)
.200 (5.08)
.105 (2.67)
.094 (2.39)
.031 (0.79)
.047 (1.19)
.062 (1.57)
.093 (2.36)
.125 (3.18)
1/ M21097/8-4 which is .070 (1.78).
NOTES:
1. Dimensions are in inches
2. Unless otherwise specified, tolerance is ±.005 (0.13 mm) for three place decimals.
3. Test board shall be made of GE062C2/2A11B or equal. The test card shall extend 4.00 (101.60 mm) from the
receptacle after insertion.
4. Number of contacts shall be the same as on the corresponding printed wiring connector (see MIL Specification
sheet).
5 Contacts shall be specified in IPC-D275, the gold plating shall conform to IPC-D275.
6. Metric equivalents are given for general information only.
7. Millimeters are in parentheses.
8. Printed wiring shall be identical on both sides.
FIGURE 2. Printed wiring test board - Continued.
4.6.6 Engagement and separation forces (board side) (see 3.10). Connectors shall be tested in accordance with
4.6.6.1 Individual contact engagement and separation forces.
4.6.6.1.1 Test I (see 3.10.1.1). Prior to making measurements, the contacts shall be conditioned by three insertions
of a flat, steel gage of maximum thickness. The dimensions of the gage shall be as shown on figure 3. After the above
conditioning, the connector half which houses the receptacle contacts shall be supported and a gage of minimum board
thickness (see figure 3) aligned with the individual contacts. The forces to insert and separate that gage shall be
measured and recorded.
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