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 5930-00-798-0281
NSN 6685-00-526-3227
NSN 5925-00-437-2854
NSN 5960-00-672-3836
NSN 5930-01-429-6774
NSN 5985-01-249-6037
NSN 5855-01-333-0969
NSN 5895-00-922-9731
NSN 6135-01-414-8831
NSN 6220-00-169-6516
NSN 5920-01-651-4352
NSN 5935-01-337-0288