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 6145-01-063-6486
NSN 6645-00-372-2618
NSN 5996-01-394-7577
NSN 5950-01-395-0039
NSN 5855-00-586-6255
NSN 5920-00-554-0437
NSN 5996-01-048-7758
NSN 6105-00-426-2237
NSN 5920-01-529-0984
NSN 6145-00-265-6205
NSN 6645-01-074-2889
NSN 5930-01-269-9512