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 5855-01-654-8603
NSN 6610-00-817-8772
NSN 5999-01-152-8587
NSN 5920-00-998-9528
NSN 6135-01-010-0891
NSN 5905-01-457-1607
NSN 6620-00-948-3801
NSN 5999-01-310-4092
NSN 5945-01-606-7297
NSN 5905-00-757-8129
NSN 6620-00-466-2314
NSN 6130-01-483-6095