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 5975-00-928-9190
NSN 6110-00-999-8909
NSN 5945-01-514-2938
NSN 5915-01-321-1406
NSN 6645-01-409-2003
NSN 6240-01-171-0374
NSN 6685-00-988-4439
NSN 6105-00-841-5969
NSN 6220-01-095-2738
NSN 7035-00-225-6499
NSN 6320-00-908-6841
NSN 5985-00-574-6082