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 5855-01-643-7117
NSN 5950-00-448-3126
NSN 5920-01-648-1983
NSN 2925-00-836-2323
NSN 5925-01-213-4199
NSN 6610-01-298-2649
NSN 5945-00-741-8416
NSN 5925-01-390-3993
NSN 6610-00-885-7000
NSN 6145-01-374-1899
NSN 5925-00-250-2907
NSN 5920-01-524-6098