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 4140-00-652-9238
NSN 6220-01-367-3658
NSN 5925-00-803-5491
NSN 6110-01-277-4595
NSN 6650-00-336-0753
NSN 6110-01-191-1335
NSN 5999-01-227-5447
NSN 5835-01-250-2939
NSN 6220-01-487-7690
NSN 6110-01-615-4135
NSN 6135-01-022-5427
NSN 6110-00-035-8794