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 2925-01-106-3552
NSN 6685-01-183-9937
NSN 5910-01-525-9824
NSN 6685-00-659-7831
NSN 6645-01-653-2848
NSN 5835-00-279-1594
NSN 5996-01-471-6664
NSN 5835-00-007-6824
NSN 5985-00-106-6858
NSN 6645-00-460-0528
NSN 6135-01-496-5810
NSN 5945-01-640-8926