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 6685-00-784-0516
NSN 6650-01-614-0947
NSN 6110-00-359-0356
NSN 6220-01-004-8909
NSN 5965-00-568-5802
NSN 6645-00-033-8714
NSN 6110-01-251-0403
NSN 6620-01-131-3201
NSN 6135-01-307-6006
NSN 5950-01-202-8268
NSN 5999-01-480-3705
NSN 5910-01-142-2688