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 5999-00-460-2824
NSN 5905-01-381-0198
NSN 5910-01-569-7856
NSN 7035-00-497-8784
NSN 6650-01-437-2570
NSN 5945-01-461-2141
NSN 5985-01-086-1209
NSN 6645-01-605-1485
NSN 6130-00-803-4580
NSN 5945-01-432-3216
NSN 6610-01-133-9812
NSN 5935-00-315-8615