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 2925-01-461-4347
NSN 6220-01-423-1476
NSN 6105-01-321-2632
NSN 5975-01-252-7327
NSN 5985-01-336-3812
NSN 5965-00-822-8549
NSN 5975-01-415-0918
NSN 6145-00-975-4457
NSN 5998-01-499-1671
NSN 5930-01-269-4403
NSN 6110-01-208-3448
NSN 5920-01-618-4473