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 5950-01-307-2438
NSN 5895-01-229-7431
NSN 6145-01-612-0736
NSN 6645-01-177-2766
NSN 6685-01-437-9113
NSN 6610-01-444-4001
NSN 5965-00-752-1007
NSN 5905-00-935-1142
NSN 5855-01-594-7809
NSN 5990-01-514-8030
NSN 7035-00-946-2642
NSN 6320-01-585-8468