MIL-DTL-26500G
TABLE III. Torque.
Torque for types T and B (inch pounds)
Shell
size
Maximum with
Minimum uncoupling without
contacts
contacts type B only
8
9
2.0
10
10
2.5
12
14
3.0
14
17
3.5
16
23
4.0
18
26
5.5
20
31
6.0
22
38
6.5
24
46
7.0
3.7 Ground resistance (class G only). When tested in accordance with 4.6.3, the resistance shall not
exceed 0.250 ohms.
3.8 Maintenance aging. When tested as specified in 4.6.4, the connectors shall be capable of
conforming to 3.9.
3.9 Contact insertion/removal forces, except class H. When tested as specified in 4.6.5, the
individual contact insertion forces shall not exceed 15 pounds. Individual removal forces shall not
exceed 10 pounds.
3.10 Durability. Connector assemblies shall be tested as specified in 4.6.6. At the completion of the
test, the connectors shall meet the subsequent test requirements.
3.11 Thermal shock. After testing in accordance with 4.6.7, connectors shall be unmated and show no
evidence of cracking, fracture, or other damage detrimental to the connector. No material reversion shall
be in evidence.
3.12 Dielectric withstanding voltage. When testing in accordance with 4.6.8, and at the voltage levels
indicated by table IX, connectors shall show no evidence of flashover or breakdown. Breakdown shall be
said to have occurred when leakage current exceeds 2.0 mA upon application of high potential.
3.12.1 Dielectric withstanding voltage, altitude. Completely wired and assembled connectors (mated),
and also completely wired but unmated connectors shall show no evidence of breakdown or flashover
when tested in accordance with 4.6.8.2. Corona shall not be considered as breakdown.
3.13 Vibration. When tested in accordance with 4.6.9, connectors shall not crack or break and there
shall be no loosening of parts. Connectors shall be in full engagement during vibration and the coupling
device shall not loosen as a result of vibration. Interruption of electrical continuity shall be no longer than
1 microsecond.
3.14 Shock (specified pulse). During and after testing in accordance with 4.6.10, connectors shall
show no sign of damage. Interruption of electrical continuity shall not exceed 1 microsecond, when
monitored by a suitable instrument.
3.15 Ozone exposure (unmated). When tested in accordance with 4.6.11, the connectors shall show
no evidence of cracking of material or other damage that will adversely affect subsequent performance in
the qualification test sequence.
10
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