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 5925-00-819-3985
NSN 6685-01-198-5776
NSN 5950-01-245-5448
NSN 4140-00-195-1980
NSN 6610-01-352-5500
NSN 6645-00-879-9941
NSN 5855-01-479-8598
NSN 5910-01-305-9654
NSN 6130-01-437-3529
NSN 6150-01-372-4104
NSN 5925-00-005-8912
NSN 6320-00-857-4073