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 2925-01-464-2535
NSN 6240-00-175-6730
NSN 6685-01-046-9679
NSN 5998-01-286-3685
NSN 4140-01-332-4970
NSN 5945-00-600-5593
NSN 6240-01-059-9909
NSN 6645-00-431-9472
NSN 6685-01-507-9329
NSN 5999-00-027-1739
NSN 2925-01-197-7864
NSN 6240-01-450-4886