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 5950-01-171-5535
NSN 6105-01-237-9633
NSN 5895-00-284-4835
NSN 6610-00-240-5437
NSN 6135-00-334-4500
NSN 6240-01-044-7384
NSN 5925-01-035-6166
NSN 6110-01-450-8082
NSN 6650-00-717-8913
NSN 5905-00-572-4528
NSN 5925-00-903-2476
NSN 5895-01-003-9424