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 6685-00-900-4246
NSN 5855-01-088-8700
NSN 5950-00-099-9612
NSN 5985-01-260-8583
NSN 5950-01-106-1513
NSN 5985-01-156-0754
NSN 2925-01-643-4472
NSN 6220-01-200-0897
NSN 6685-01-171-4478
NSN 2925-00-081-6835
NSN 6130-01-464-1577
NSN 6110-01-521-3195