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 6150-00-003-7431
NSN 6105-00-618-0153
NSN 6130-00-021-9510
NSN 5950-01-180-1357
NSN 5835-00-415-6421
NSN 5945-01-150-6501
NSN 5965-01-436-0390
NSN 5910-01-626-8988
NSN 5905-01-548-4576
NSN 5910-01-367-2516
NSN 5965-00-106-3195
NSN 5985-01-457-6795