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 5996-01-193-7529
NSN 4140-00-260-9521
NSN 4140-00-400-9176
NSN 6645-01-138-1683
NSN 5996-01-399-6366
NSN 6110-00-960-7341
NSN 5910-00-578-2791
NSN 5835-01-347-8714
NSN 5960-00-740-7285
NSN 6105-01-233-3518
NSN 5905-01-485-3327
NSN 6105-01-645-4935