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 6130-01-648-5823
NSN 5945-01-254-3773
NSN 5915-01-433-9666
NSN 5996-01-231-9232
NSN 2925-01-231-6312
NSN 6620-01-650-5226
NSN 5945-00-993-3078
NSN 5915-01-535-2076
NSN 6645-01-432-3587
NSN 5998-00-013-9334
NSN 2925-00-422-5159
NSN 6130-01-530-8637