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 5996-01-014-6103
NSN 6150-01-235-5930
NSN 5975-01-161-9256
NSN 5910-01-485-8128
NSN 5910-00-287-3258
NSN 5965-01-274-6488
NSN 5975-00-644-4972
NSN 5915-01-311-5416
NSN 5905-00-099-4967
NSN 6240-01-338-1773
NSN 5920-01-487-7454
NSN 6110-01-537-9990