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 5935-01-099-9671
NSN 6145-01-358-8521
NSN 5835-00-572-7445
NSN 6645-00-812-5243
NSN 5965-01-487-4479
NSN 5945-01-426-8747
NSN 6610-00-263-3076
NSN 6105-01-398-7495
NSN 6320-01-544-6447
NSN 5935-00-604-6219
NSN 6240-00-753-7586
NSN 2925-01-522-5631