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 5935-01-427-3822
NSN 4140-00-443-1210
NSN 6645-00-952-0662
NSN 6645-01-646-2953
NSN 6220-00-205-2040
NSN 5915-01-323-3878
NSN 6130-01-245-4366
NSN 5998-00-221-2543
NSN 6145-01-271-6021
NSN 5905-00-412-4362
NSN 5990-00-613-2279
NSN 5945-01-372-4360