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 5915-01-292-4660
NSN 6650-01-075-6642
NSN 6105-00-775-6072
NSN 6620-00-349-4703
NSN 6130-01-218-4382
NSN 6645-00-235-4685
NSN 7035-01-585-8056
NSN 6320-01-267-0586
NSN 5930-00-799-8245
NSN 6645-01-557-8134
NSN 6220-01-502-6436
NSN 5905-01-094-0845