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 5945-01-090-0890
NSN 6645-01-106-6369
NSN 2925-01-247-8058
NSN 6240-00-909-7938
NSN 6320-00-456-0836
NSN 6105-01-537-0105
NSN 6650-01-546-7632
NSN 6240-01-503-5404
NSN 6650-00-382-6080
NSN 5895-00-236-8748
NSN 5996-00-077-3220
NSN 5998-01-573-5388