MIL-DTL-28731F
3.6.12 Crimp tensile strength (crimp contact) (when specified, see 3.1). When tested as specified in
4.7.13, the contact to wire crimp shall not break or pull out at less than the minimum tensile strength
specified in table ll.
TABLE ll. Crimp tensile strength.
Minimum tensile
Wire size
strength
AWG (7 or 19 strand)
(pounds)
18
40.0
20
25.0
22
15.0
24
10.0
26
5.0
28
3.0
30
1.5
3.6.13 Crimp tensile strength (adapter to crimp contact). When tested as specified in 4.7.13.1, the
adapter to contact crimp shall not break or pull out at less than the minimum tensile strength specified (see
3.1).
3.6.14 Contact separating forces (contacts). When contacts are tested as specified in 4.7.14, unless
otherwise specified (see 3.1), the forces required to disengage the contacts shall be 12 ounces per
contact.
3.6.15 Low level circuit resistance (contacts). When tested as specified in 4.7.15, the values of contact
resistance shall not exceed the potential drop in table lll.
3.6.16 Resistance to soldering heat. Connectors shall withstand the tests specified in 4.7.16.
TABLE lll. Low level circuit.
Maximum
Contact
Wire size
potential
resistance
(maximum) 1/
drop (µV)
AWG
(mΩ)
18
7
7.0
20
9
9.0
22
15
15.0
24
20
20.0
26
25
25.0
28
40
40.0
30
50
50.0
1/ Test current shall be 1mA.
10
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