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 5920-00-349-8837
NSN 5905-01-414-6970
NSN 4140-01-514-4573
NSN 5920-01-444-3509
NSN 6620-00-290-6505
NSN 5990-01-417-4402
NSN 5965-01-603-0118
NSN 5945-01-231-9607
NSN 5910-01-309-2363
NSN 6150-01-596-5358
NSN 5910-00-609-7468
NSN 5975-01-554-0015