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 6135-01-436-7733
NSN 5990-00-378-1449
NSN 6645-01-590-9405
NSN 5895-01-106-0971
NSN 5915-01-439-0228
NSN 5920-00-100-7219
NSN 5945-00-824-8846
NSN 6135-00-505-0679
NSN 5925-00-315-2238
NSN 5925-00-127-4248
NSN 5990-01-548-3711
NSN 5915-00-617-9477