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 5835-00-759-1109
NSN 5996-01-175-7881
NSN 6105-01-193-4084
NSN 5990-01-632-0969
NSN 5998-00-993-9110
NSN 5855-01-605-2438
NSN 6620-01-246-4314
NSN 5950-00-483-7616
NSN 6145-00-432-7431
NSN 5950-00-792-3261
NSN 6110-01-432-2248
NSN 6650-00-451-1088