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 7035-01-406-6510
NSN 6645-01-233-1131
NSN 6685-01-333-9254
NSN 5895-01-021-9115
NSN 5835-01-462-5983
NSN 5855-01-608-4351
NSN 4140-01-192-2302
NSN 5998-01-406-8619
NSN 5835-01-521-0298
NSN 6685-01-503-6537
NSN 7035-01-034-6183
NSN 6320-01-390-5385