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 5990-01-313-5543
NSN 5930-01-418-2189
NSN 5960-01-462-6267
NSN 5905-01-385-1986
NSN 6620-01-247-1816
NSN 5915-01-215-2159
NSN 6150-01-659-4178
NSN 5910-01-023-8230
NSN 5920-01-426-6666
NSN 5925-00-420-1386
NSN 5945-01-424-5209
NSN 5895-01-188-6692