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 5905-00-805-9268
NSN 5835-01-192-4165
NSN 5996-01-235-1643
NSN 6650-00-140-8776
NSN 6645-01-076-4655
NSN 5950-01-063-7181
NSN 6135-01-660-2840
NSN 2925-01-064-3729
NSN 5975-01-592-6420
NSN 5835-01-548-7454
NSN 6240-01-062-0878
NSN 6220-01-370-2547