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 6650-00-944-1399
NSN 6645-01-069-8746
NSN 2925-01-243-0328
NSN 6220-01-123-5139
NSN 5915-00-917-5051
NSN 6150-00-790-9992
NSN 6685-01-088-9388
NSN 7035-00-286-6221
NSN 5950-01-167-9093
NSN 5998-01-080-2558
NSN 5945-01-583-1514
NSN 6320-01-032-9703