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 6610-01-376-3993
NSN 5930-00-215-4851
NSN 5895-01-430-2555
NSN 5996-01-442-8296
NSN 5930-01-461-1402
NSN 5996-01-327-0220
NSN 5990-01-595-9441
NSN 6105-00-476-3059
NSN 5985-01-314-2775
NSN 7035-00-541-8516
NSN 6145-00-990-9700
NSN 5925-01-660-5371