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 5915-01-555-7677
NSN 6145-00-327-4770
NSN 5945-01-268-1280
NSN 5990-01-395-4194
NSN 5985-00-106-8263
NSN 5935-01-085-3921
NSN 4140-01-549-8524
NSN 6645-01-298-8837
NSN 4140-01-191-1247
NSN 6130-01-449-0782
NSN 5965-01-113-9061
NSN 6320-01-268-3072