A mechanical device designed to permit a free flow of air into and out of an enclosure, usually used on engine crankcase, vehicular differentials and transmissions, pumps, compressors, and the like. see also cap, vent, fuel storage tank. excludes ventalator (as modified).
Classification: Pressure-reducing valves, pneumatic fluid power type, filter-regulators and filter-regulator-lubricators
NSN 6645-01-271-0248
NSN 5915-01-602-9324
NSN 5930-01-041-3130
NSN 6220-01-614-5104
NSN 5999-01-415-5090
NSN 6145-01-622-1957
NSN 6645-00-176-5589
NSN 5985-01-331-5999
NSN 6110-01-334-1476
NSN 5905-00-287-7791
NSN 6645-00-527-6531
NSN 4140-00-185-2993