MIL-PRF-39012E
4.6.5 Permeability of nonmagnetic materials (see 3.8). The permeability of the connector shall be
measured with an indicator conforming to ASTM A342.
MIL-STD-202. The following details shall apply:
a. Test condition letter: C
b. Procedure number: I.
Leakage rate sensitivity: 10-8 cubic centimeters per second.
c.
4.6.7 Leakage (pressurized) (see 3.10). Connectors shall be subjected to air pressure specified (see
3.1) applied to one end, and the whole assembly immersed in water at a temperature of 15º to 25ºC.
The connector shall remain immersed for at least 2 minutes.
4.6.8 Insulation resistance (see 3.11). Connectors without cables (when applicable) shall be tested
and body.
direction and then the other, to the center contact of an assembled and uncabled connector utilizing a
method and force measuring device suitable to the Government. The inner contact shall be
inspected after the force has been applied in one direction and again after the force has been applied
in the opposite direction to determine if the contact has been displaced from the specified interface
dimensions. Torque: The torque specified shall be applied to the center contact of an unmated
connector for a minimum period of 10 seconds, as applicable (see 3.1).
4.6.10 Corrosion (see 3.13). Unmated and uncabled connectors shall be tested in accordance with
method 101, MIL-STD-202. The following details and exceptions shall apply:
a. Test condition letter: See 3.1.
b. Salt solution: 5 percent.
After exposure, connectors shall be washed, shaken and lightly brushed as specified in method 101
of MIL-STD-202 and then permitted to dry for 24 hours at 40ºC. Connectors shall then be examined
for evidence of corrosion, pitting, and ease of coupling.
4.6.11 VSWR (see 3.14). The VSWR shall be measured in accordance with the following procedure
or a method acceptable to the Government. In the event of dispute the method outlined herein shall
be used. Diagrams for the swept frequency VSWR system to check out the measurement
procedures are shown on figure 1.
In the basic measurement setup on figure 1, detector 1 provides a feedback signal to the swept RF
source in order to normalize the output signal of detector 2. The frequency-amplitude
characteristics of detectors 1 and 2 should be matched within .5 dB.
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