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 6130-01-266-6007
NSN 6650-00-118-5600
NSN 6220-01-515-4121
NSN 5999-01-084-0797
NSN 5985-01-560-3464
NSN 6610-01-354-3087
NSN 2925-01-437-9041
NSN 5895-01-227-3696
NSN 6685-01-194-9420
NSN 5960-00-597-2680
NSN 5835-01-584-8538
NSN 6645-00-981-7218