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 6620-01-165-3784
NSN 5925-01-454-0253
NSN 6110-01-495-0771
NSN 6220-01-357-7675
NSN 5945-01-366-0298
NSN 6220-00-559-3555
NSN 5950-00-672-2679
NSN 5950-01-279-1084
NSN 6620-01-363-8362
NSN 5930-01-463-3204
NSN 6320-00-261-9136
NSN 5965-01-408-9551