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 5920-01-463-8386
NSN 5930-01-212-3373
NSN 6645-01-553-3599
NSN 6610-00-837-3012
NSN 5925-00-299-2728
NSN 6110-00-314-0377
NSN 6105-01-327-4584
NSN 5996-01-126-3885
NSN 6220-01-044-6940
NSN 6150-01-277-8656
NSN 5895-01-298-2756
NSN 6240-00-244-0483