MIL-PRF-62368C(AT)
3.4.15.2 Humidity (non-operating). The motor shall not be damaged nor performance
impaired after exposure to relative humidity ranges from up to 100 percent (%) at 86 °F (30 °C)
to not less than 2% at 155 °F (68 °C) (see 4.5.17.2).
3.4.15.3 Atmospheric pressure.
3.4.15.3.1 Operating. The motor shall meet the performance requirements contained
herein when operating at an atmospheric pressure equivalent to an altitude of 8000 feet (ft)
(2438 meters (m)) (see 4.5.17.3.1).
3.4.15.3.2 Non-operating. The motor shall not be damaged nor performance impaired
after exposure to an atmospheric pressure equivalent to an altitude of 40 000 ft (12 192 m)
(see 4.5.17.3.2).
3.4.15.4 Sand and dust.
3.4.15.4.1 Operating. The motor shall meet the performance requirements contained
herein when operating in a sand and dust environment containing particle sizes of 0.0001 to
1 mm) (see 4.5.17.4).
3.4.15.4.2 Non-operating. The motor shall not be damaged nor performance impaired
after exposure to sand and dust, particle size 0.0001 to 1 mm (see 4.5.17.4).
3.4.15.5 Salt fog (non-operating). The motor shall not be damaged nor performance
impaired after exposure to 0.015 oz per square inch (psi) per year (3 grams (g) salt per square
meter (m2)) per year (see 4.5.17.5).
3.4.15.6 Fungus. Materials used in the motor shall be fungus resistant (see 4.5.17.6).
3.4.15.7 Vibration (non-operating). The motor shall not be damaged nor performance
impaired when subjected to simple harmonic motion in 3 mutually perpendicular directions
(see 4.5.17.7).
3.4.15.8 Shock (non-operating). The motor shall not be damaged, nor performance
impaired, when subjected to half-sine wave shock impulses of not less than 25 gravity units (g)
for 11 ms (see 4.5.17.8).
3.4.16 Lead strength. The motor shall not be damaged when subjected to a 5-pound (lb)
(22.5 Newton (N)) pull in any direction for 1 minute at the motor or filter end (see 4.5.18).
3.5 Identification and marking. Each motor unit shall be marked in accordance with
ANSI/SAE AS478 (see 4.5.2).
3.6 Workmanship. Workmanship shall be in accordance with MIL-HDBK-454
guidelines (see 4.5.2).
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