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 6150-01-512-1952
NSN 5910-01-544-0343
NSN 5855-01-456-0355
NSN 6320-00-238-9973
NSN 5996-01-244-3450
NSN 6220-00-446-2882
NSN 5999-00-999-5476
NSN 5835-00-286-5432
NSN 5910-01-380-1483
NSN 5975-01-418-6669
NSN 5975-01-022-7645
NSN 5945-01-610-1461