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 5930-00-926-7544
NSN 6650-00-680-9595
NSN 5950-01-294-8585
NSN 5915-01-501-5895
NSN 6620-00-904-2139
NSN 6105-01-259-0178
NSN 5999-01-427-3702
NSN 6135-01-449-7330
NSN 5855-01-052-7149
NSN 5999-00-111-2018
NSN 5965-01-447-4220
NSN 5975-00-514-8614