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 5998-00-268-1908
NSN 7035-01-449-1189
NSN 6645-01-627-6629
NSN 6650-01-513-2644
NSN 5985-01-517-9935
NSN 5910-01-143-5324
NSN 4140-01-643-1037
NSN 5855-01-232-6883
NSN 5975-01-334-2450
NSN 6620-01-026-7371
NSN 5915-01-529-6702
NSN 6220-01-634-0660