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 6145-01-331-3287
NSN 5998-01-617-8520
NSN 5920-00-710-2781
NSN 5925-00-825-2753
NSN 5985-01-010-1758
NSN 5990-00-559-1822
NSN 5945-01-381-8196
NSN 5835-01-126-9358
NSN 6650-01-573-7165
NSN 6320-00-925-0558
NSN 5905-00-060-7974
NSN 5945-01-500-4522