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 7035-01-158-8860
NSN 6105-00-427-9615
NSN 5905-01-241-2472
NSN 6145-01-464-4228
NSN 5950-01-058-1362
NSN 5996-01-554-1042
NSN 5910-00-900-9996
NSN 5950-00-565-0439
NSN 6220-00-411-9957
NSN 6610-01-022-2474
NSN 6220-00-577-3435
NSN 2925-01-139-5144