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 6130-01-383-0807
NSN 6130-01-029-3601
NSN 5920-01-376-4149
NSN 6145-01-200-5020
NSN 6650-01-264-3045
NSN 5985-00-397-7296
NSN 5925-00-557-4530
NSN 5910-01-310-0585
NSN 5915-00-248-4974
NSN 6240-01-459-7827
NSN 6610-00-001-5516
NSN 5925-01-191-6498