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 5910-01-555-0585
NSN 6650-00-872-0942
NSN 6150-00-471-1986
NSN 6685-01-441-9275
NSN 5930-01-254-7050
NSN 6240-01-219-3384
NSN 5965-01-432-1452
NSN 5945-01-478-0127
NSN 5998-01-563-0186
NSN 6645-00-274-5670
NSN 6145-00-934-0331
NSN 6145-00-465-1641