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 6145-01-627-5093
NSN 5996-00-151-4462
NSN 6130-01-248-6084
NSN 2925-00-870-2372
NSN 2925-01-141-7563
NSN 6150-01-432-2376
NSN 6220-01-242-0345
NSN 5975-01-289-4794
NSN 5910-00-402-8015
NSN 5950-00-412-4338
NSN 5996-00-946-0291
NSN 5985-00-146-2450