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 2925-01-004-5627
NSN 6240-01-462-5433
NSN 5925-01-028-0806
NSN 6110-01-483-9663
NSN 6645-01-100-3296
NSN 6130-01-571-7932
NSN 5990-00-594-7291
NSN 5915-01-125-6711
NSN 5895-01-095-9334
NSN 6220-01-496-8312
NSN 6145-00-927-2145
NSN 6685-01-127-3483