MIL-DTL-62337C(AT)
3.6.4 Interchangeability. The assembly shall be designed and fabricated such that 2 or
more items possessing functional and physical characteristics which are equivalent in
performance and durability are capable of being exchanged one for the other without alteration
of the items themselves or of adjoining items except for adjustment, and without selection for fit,
repair parts, or performance (see 4.8.4.4).
3.6.5 Safety. The assembly shall be cleaned of any foreign material which might detract
from the intended operation, function, or appearance of the assembly. Screws, nuts, and bolts
shall show no evidence of cross threadings, mutilation, or detrimental or hazardous burrs, and
shall be firmly secured. Bearing assemblies shall be free of rust, discoloration, and
imperfections of ground, honed, or lapped surfaces. Contacting surfaces shall be free of tool
marks, gouge marks, nicks or other surface-type defects. There shall be no detrimental
interference, binding, or galling (see 4.8.4.5).
3.7 Operating environment requirements.
3.7.1 Vibration. The assembly shall be capable of withstanding the vibration profile of
figure 1 for a period of 80 minutes (including forced dwells of 13.33 minutes each) in each of the
three mutually perpendicular axes (see 4.8.5.1).
3.7.2 Salt fog. The assembly shall withstand exposure to salt fog atmosphere. The salt
fog atmosphere shall consist of a salt fog solution defined as 5% by weight NaCl and 95 % by
weight distilled water. The exposure zone temperature range shall be 90 to 95ºF. The fog
density shall be approximately 3 quarts of solution to each 10 cubic feet (see 4.8.5.2).
4. VERIFICATION
4.1 Inspection equipment. Unless otherwise specified in the contract (see 6.2), the
contractor is responsible for the provision, maintenance, and accuracy of all inspection
equipment necessary to assure that supplies and services conform to contract requirements.
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