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 5945-01-137-1109
NSN 5935-00-839-8504
NSN 5835-00-244-4956
NSN 6105-01-474-0680
NSN 5910-00-152-4145
NSN 5835-00-870-7034
NSN 5975-00-560-1008
NSN 6685-00-390-8687
NSN 5915-00-284-8744
NSN 6610-00-330-4361
NSN 5925-00-885-8736
NSN 6240-00-038-7540