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 5905-01-464-2426
NSN 5930-01-162-2951
NSN 5930-00-391-5723
NSN 6240-01-144-5898
NSN 5855-01-444-1233
NSN 6320-01-449-1014
NSN 5915-01-625-0109
NSN 5950-01-531-2131
NSN 2925-01-076-5219
NSN 6145-01-585-8439
NSN 5996-01-170-1915
NSN 5905-01-020-9457