MIL-DTL-25955A
TABLE IV. Potential drop of contacts.
Contact
Test current
Maximum potential drop millivolts
Class
size
amperes
After corrosion
All others
E
20
7.5
35
25
H
20
7.5
55
40
3.6.14 Insert retention. Connectors less grommets when tested in accordance with 4.6.14 and
subjected to the applicable forces specified in table V, shall retain their inserts with no dislocation from
normal position.
TABLE V. Insert retention loads.
Size
Load pounds
16
40
19
60
21
80
3.6.15 Crimp retention. Removable contacts, as specified below, when crimped and tested in
accordance with 4.6.15, shall withstand tension loads as specified in table VI.
a. Socket contacts that have been subjected to tests required by resistance to test prod damage and
contact separation requirements of 3.6.11 and 3.6.12.
b. Pin contacts.
TABLE VI. Crimp retention loads.
AWG
Force
Wire or cable
wire size
minimum pounds
20
15
MIL-W-5086, type I
22
12
MIL-W-5086, type I
24
8
NEMA HP3
30
5.5
MIL-C-17/94
3.6.16 Arc resistance. Specimens of insert material when tested in accordance with 4.6.16 shall
evidence an arc resistance of 115 seconds.
3.6.17 Dielectric strength. Specimens of insert materials when tested in accordance with 4.6.17 shall
evidence a dielectric strength of not less than 100 volts per mil (.001 inch (0.03 mm)).
3.6.18 Dimensional stability. Specimens of insert material when tested in accordance with 4.6.18 shall
evidence a change in length of not greater than 0.7 percent.
3.6.19 Performance, hermetic. The following specify exceptions and additions for class H connectors,
which apply to the general requirements of 3.6.1 through 3.6.18.
3.6.19.1 Dielectric withstanding voltage, altitude, hermetic. 3.6.1.1 shall apply to the engaging face
only of class H connectors. The ungrommeted terminal end may be suitably encased to exclude it from
tests necessary.
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