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 6110-01-512-3857
NSN 5945-01-252-8662
NSN 5930-01-605-7297
NSN 5925-01-097-9960
NSN 6620-00-849-0450
NSN 6645-00-556-5551
NSN 6685-00-439-4366
NSN 6240-00-556-8657
NSN 5999-01-250-6980
NSN 5965-01-609-6324
NSN 5945-01-170-5667
NSN 6105-01-216-9441