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 5960-01-020-2841
NSN 5915-01-528-2523
NSN 5999-01-351-7318
NSN 5960-01-516-7264
NSN 5965-00-928-4854
NSN 5990-01-386-5561
NSN 5915-00-276-8332
NSN 5985-01-027-0777
NSN 2925-01-531-1202
NSN 6685-00-400-3944
NSN 5855-01-344-3706
NSN 5895-01-103-4641