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 5855-01-149-4110
NSN 6220-00-146-1581
NSN 5895-00-964-8989
NSN 5990-01-024-9659
NSN 5985-00-967-4501
NSN 6150-01-460-0674
NSN 6110-01-067-3741
NSN 5950-01-186-6428
NSN 6130-01-212-3035
NSN 6145-01-290-2736
NSN 5950-01-415-4288
NSN 5996-01-291-6720