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 7035-01-239-7297
NSN 6145-01-479-3354
NSN 6110-01-422-0557
NSN 2925-01-282-3206
NSN 5985-01-406-3261
NSN 5985-01-508-9735
NSN 5945-01-624-0305
NSN 5965-01-315-1916
NSN 7035-01-442-7947
NSN 2925-01-633-4048
NSN 6320-01-630-7629
NSN 5999-01-435-4153