D38999/49 Defense Supply Center, D38999/49 Datasheet - Page 16

• Manufacturer Part Number: D38999/49
• Description: D38999K / D38999J 500 Cycle Contact
• Manufacturer: Defense Supply Center

mated connector pair shall have a minimum insulation resistance as specified in 3.13.1 and dielectric
withstanding voltage as specified in 3.14.
resistance between any pair of contacts and between any contact and the shell shall be greater than 5,000
megohms. Insulation resistance after altitude immersion shall be 1,000 megohms minimum. Insulation
resistance after humidity shall be 100 megohms minimum.
resistance between any pair of contacts and between any contact and the shell shall be greater than 1,000
megohms for environment resisting class connectors. Hermetic connectors shall be greater than 200
megohms.
leakage current shall be 2 milliamperes, and there shall be no evidence of electric breakdown or flashover.
in their proper location in the shell and there shall be no evidence of cracking, breaking, separation from the
shell, or loosening of parts.
basis material due to corrosion which will adversely affect performance. Class J (initial qualification) after
500 hours salt spray inspect connector for cadmium, (inspection method optional) no underplate or basis
material shall be exposed. Return to chamber for completion of 2000 hours.
the mated condition shall meet the contact resistance requirements of table VI. Appropriate compensation
may be made for resistance in the measured value which is due to and additional length of wire included in
the measurement.
3.13.2 Insulation resistance at elevated temperature. When tested as specified in 4.5.9.2, the insulation
3.12 Altitude immersion (qualification only) (except hermetics). When tested as specified in 4.5.8, the
3.13 Insulation resistance.
3.13.1 Insulation resistance at ambient temperature. When tested as specified in 4.5.9.1, the insulation
3.14 Dielectric withstanding voltage. When tested as specified in 4.5.10.1 or 4.5.10.2 the maximum
3.15 Insert retention. When tested as specified in 4.5.11, unmated connectors shall retain their inserts
3.16 Salt spray (corrosion). When tested in 4.5.12, unmated connectors shall show no exposure of
3.17 Contact resistance (hermetics with sockets only). When tested as specified in 4.5.13, contacts in
Shell
10/11
12/13
14/15
16/17
18/19
20/21
22/23
24/25
size
8/9
Pounds
25
25
30
30
35
35
35
35
35
Maximum
Newtons Pounds Newtons
Series I, II, and III
111
111
133
133
156
156
156
156
156
TABLE V. Shell spring finger forces.
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
Minimum
MIL-DTL-38999K
2
2
2
2
2
2
2
2
2
16
Axial force
Pounds
10
10
5
5
6
7
8
9
-
Maximum
Newtons
22.3
22.3
26.7
31.1
35.6
40.0
44.5
44.5
-
Series IV
Pounds
0.3
0.3
0.4
0.4
0.5
0.5
0.5
0.5
-
Minimum
Newtons
1.3
1.3
1.8
1.8
2.2
2.2
2.2
2.2
-