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 5835-00-649-9402
NSN 5855-01-566-4032
NSN 5990-00-140-4559
NSN 6610-00-088-4404
NSN 2925-01-440-9912
NSN 6240-01-160-8499
NSN 5910-01-213-4154
NSN 5835-01-432-8801
NSN 5996-01-613-5825
NSN 5910-00-456-0824
NSN 6645-01-260-7426
NSN 5965-01-380-5875