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 2925-01-437-9041
NSN 5998-01-193-8940
NSN 5996-01-018-6793
NSN 5985-00-883-9092
NSN 6240-01-130-7393
NSN 6645-00-497-3495
NSN 5990-01-462-1617
NSN 2925-01-600-2309
NSN 6150-01-386-4351
NSN 5996-01-633-7979
NSN 6620-00-369-1916
NSN 5950-01-396-2065