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 5945-00-482-5021
NSN 2925-00-941-6537
NSN 6145-01-054-3874
NSN 6145-01-357-6288
NSN 5915-00-103-7939
NSN 5915-00-557-8178
NSN 5925-01-367-2519
NSN 6645-01-444-3016
NSN 5930-01-485-6653
NSN 5996-01-196-7363
NSN 6650-00-665-3658
NSN 6130-01-556-6940