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 5930-01-302-3831
NSN 6220-01-142-3688
NSN 6135-01-204-8712
NSN 5975-00-146-0103
NSN 5998-01-076-3448
NSN 6320-00-857-4073
NSN 5998-01-526-9414
NSN 5835-01-532-9373
NSN 6685-01-189-0503
NSN 5960-00-193-6867
NSN 5930-00-065-3256
NSN 5935-01-303-5616