MIL-PRF-31031B
4.6.10 Corrosion (see 3.13). Unmated and uncabled connectors shall be tested in accordance with
test procedure EIA 364-26. The following details and exceptions shall apply:
a. Test condition letter (see 3.1). Connectors tested to 500 hours corrosion shall be tested in the
mated condition.
b. Salt solution: 5%.
After exposure, connectors shall be washed, shaken, and lightly brushed as specified in test procedure
EIA 364-26 and then permitted to dry for 24 hours at 40°C. Connectors shall then be examined for
evidence of corrosion, pitting, and ease of coupling.
4.6.11 VSWR (see 3.14 ). The standing wave ratio/return loss shall be measured in accordance with
the following test procedure or another method acceptable to the Government. In the event of dispute,
the test procedure specified herein shall govern. Diagrams for the swept RF bridge system check out and
measurement procedures are shown on figure 1.
The 0 dB reference for bridge directivity is the average of the precision open and short signals of step 1.
Effective directivity of the system determined by steps 3 and 6 shall be 10 dB greater than the specified
connector return loss (see 3.1). The 0 dB reference for measurement steps 8 and 9 is a short at the
standard test connector interface.
The standard precision adapter interface shall conform to IEEE 287. Item 6 (standard precision adapters)
shall not exceed the specified VSWR requirements (see 3.1). Standard test adapter designs shall be
approved by the military qualifying activity.
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