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 5835-00-518-4507
NSN 5965-01-431-7377
NSN 5975-00-619-8159
NSN 6145-00-327-4770
NSN 6320-00-456-0836
NSN 5965-01-289-6436
NSN 6685-01-469-0984
NSN 6130-01-583-3213
NSN 5950-01-607-2020
NSN 6135-01-373-2518
NSN 5950-01-410-2925
NSN 5998-00-957-7909