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 5855-00-532-0025
NSN 5996-01-400-3558
NSN 5965-01-241-0553
NSN 5965-01-381-4879
NSN 6645-01-264-2701
NSN 7035-01-547-9632
NSN 6135-00-334-4500
NSN 5855-01-175-3990
NSN 7035-00-205-8739
NSN 5999-01-479-1754
NSN 5835-00-707-6266
NSN 5985-01-145-4526