An item designed to automatically relieve vacuum, by the intake of air, when the internal pressure falls below atmospheric pressure. See also valve, vacuum regulating.
Classification: Other taps, cocks, valves, etc., nesoi
NSN 6135-01-204-3882
NSN 2925-01-448-2880
NSN 6105-01-617-0065
NSN 6220-01-151-4240
NSN 5855-01-203-4719
NSN 6110-00-082-0268
NSN 5945-01-613-7743
NSN 5920-01-617-9974
NSN 5835-01-339-0542
NSN 6110-01-201-6360
NSN 6610-01-384-5537
NSN 6685-01-391-9546