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 5950-01-371-3158
NSN 5996-00-147-9323
NSN 6105-01-415-6014
NSN 5910-01-076-6361
NSN 6110-00-252-2113
NSN 6130-01-098-7175
NSN 6220-01-397-0031
NSN 6645-00-248-5434
NSN 5985-01-358-6322
NSN 5930-00-714-3942
NSN 5975-01-149-8889
NSN 5975-01-115-9877