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 6150-01-435-7627
NSN 5990-00-578-8850
NSN 6220-00-197-3102
NSN 5950-01-611-8484
NSN 5930-01-439-8382
NSN 6685-01-587-8980
NSN 5965-01-176-3227
NSN 5905-01-337-9939
NSN 5935-01-227-1400
NSN 6610-01-503-8914
NSN 5910-00-094-6792
NSN 5998-00-230-2779