MIL-DTL-62741A(AT)
3.6.1 Temperature.
3.6.1.1 High temperature (operating). The PWA shall be capable of operation without
damage or malfunction at a high temperature of +125 degrees Fahrenheit (°F) (52 degrees Celsius
(°C)).(without solar radiation).
3.6.1.2 Low temperature (operating). The PWA shall be capable of operation without
damage or malfunction at a low temperature of +20°F (-7°C). For ambient temperatures below
+20°F (-7°C) , the test set shall be operated in a shelter.
3.6.1.3 High temperature (nonoperating). The PWA shall be capable of being stored and
transported in its case without damage at an ambient temperature of +160°F (71°C).
3.6.1.4 Low temperature (nonoperating). The PWA shall be capable of being stored and
transported in its case without damage at an ambient temperature of -60°F (-51°C).
3.6.2 Fungus. All nonmetallic materials that are not inherently fungistatic shall function in
a fungus environment without adversely affecting the operation/performance of the PWA.
3.6.3 Shock. The PWA shall evidence no degradation of function and meet the
requirements of 3.3 when subjected to the shock test.
3.6.4 Vibration. The PWA shall evidence no degradation of function and meet the
requirements of 3.3 when subjected to the vibration test.
3.6.5 Burn-in. Unless otherwise specified (see 6.2), the PWA shall be subjected to and
pass a "power on" burn-in prior to the inspections listed in 4.1.
4. VERIFICATION
4.1 Classification of inspection: The inspection requirements specified herein are
classified as follows:
a. First article inspection (see 4.1.1).
b. Conformance inspection (CI) (see 4.1.2).
4.1.1 First article inspection. First article inspection shall be performed on the initial
production representative PWA of an order or when required by the contract. When a first article
inspection is required (see 6.2 and 6.3), it includes all the verifications listed in table VII.
4.1.2 Conformance inspection. Conformance inspection shall include those examinations
and tests from table VII on all PWA produced as specified in the contract.
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