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 6685-01-069-3639
NSN 5915-01-580-0308
NSN 5895-00-235-4520
NSN 5835-00-523-0736
NSN 5945-01-440-6917
NSN 5835-01-449-7511
NSN 5855-01-010-4921
NSN 5855-01-460-7628
NSN 5915-00-991-3406
NSN 6130-01-383-4385
NSN 5915-00-049-8923
NSN 5905-00-976-4460