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 5999-01-473-5053
NSN 5930-00-410-4620
NSN 6320-01-539-4789
NSN 5925-00-462-0691
NSN 6220-01-440-2239
NSN 2925-01-525-8212
NSN 5965-01-420-2629
NSN 6645-01-160-7707
NSN 6110-00-081-0927
NSN 5930-00-596-4523
NSN 6130-01-468-0656
NSN 5925-01-474-6032