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 2925-01-004-5627
NSN 4140-01-191-1247
NSN 6105-00-871-3607
NSN 6130-00-051-0810
NSN 6220-00-869-4348
NSN 6240-00-944-6960
NSN 6620-01-481-1358
NSN 6105-01-217-4530
NSN 6620-00-967-3662
NSN 6620-00-351-9949
NSN 5910-01-534-3944
NSN 5905-00-551-1279