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 7035-01-099-2311
NSN 4140-01-512-6230
NSN 6610-01-053-6781
NSN 5998-01-444-8053
NSN 5920-00-476-0528
NSN 6240-01-246-4258
NSN 7035-01-012-2259
NSN 5895-00-580-0842
NSN 2925-00-134-2191
NSN 6620-01-441-7896
NSN 6320-00-149-7570
NSN 6610-01-078-1725