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 5998-01-160-7543
NSN 6105-00-945-4039
NSN 5950-01-331-1034
NSN 5960-01-413-3877
NSN 6105-01-396-5634
NSN 6220-01-203-2096
NSN 5855-01-213-9076
NSN 5945-01-650-5316
NSN 5990-01-056-6413
NSN 6685-01-323-5272
NSN 6610-01-179-0116
NSN 6135-01-242-6484