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 6620-01-053-6650
NSN 5985-00-010-0645
NSN 5998-01-320-3152
NSN 6110-01-642-4622
NSN 6240-01-544-2048
NSN 5996-01-050-6910
NSN 6130-01-577-9197
NSN 5975-01-110-5874
NSN 6135-01-492-8934
NSN 6150-00-782-5332
NSN 6130-00-514-1177
NSN 5998-00-428-2617