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 5905-01-012-3770
NSN 5945-00-481-5896
NSN 6320-01-573-6490
NSN 5905-01-357-6113
NSN 6145-01-392-7212
NSN 4140-01-218-3391
NSN 6150-01-302-1420
NSN 5905-00-760-7178
NSN 6145-01-400-1030
NSN 5996-00-973-9232
NSN 6240-01-535-8066
NSN 5960-01-457-0157