MIL-PRF-22594C(SH)
3.13 Environmental conditions.
3.13.1 Vibration. Heaters shall be designed such that no damage will occur or malfunction be caused by
environmental vibrations in accordance with MIL-STD-167-l.
3.13.2 Shock. Unless otherwise specified (see 6.2), the heater assembly shall pass the high-impact shock tests
specified in MIL-S-901 for Grade A, Class I equipment.
3.13.3 Atmospheric spray. Heaters/heater assembly shall be capable of operating satisfactorily when exposed
to soaking atmospheric spray (rain or seawater).
4. VERIFICATION
4.1 Classification of inspections. The inspection requirements specified herein are classified as follows:
a.
First article inspection (see 4.2).
b.
Conformance inspection (see 4.3).
4.2 First article inspection. First article inspection shall be performed on each size and type heater assembly
when a first article sample is required (see 3.1). This inspection shall include the examination of 4.4 and the tests of
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