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 5930-01-044-6467
NSN 5996-00-863-6142
NSN 5945-01-534-6975
NSN 6110-01-285-6464
NSN 2925-01-197-7864
NSN 7035-01-056-1302
NSN 5835-00-813-1724
NSN 6240-01-656-4920
NSN 5975-01-074-5768
NSN 6645-01-642-3637
NSN 5925-01-420-9433
NSN 6110-00-897-4594