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 5950-00-911-4129
NSN 6645-00-609-7214
NSN 5965-00-463-3929
NSN 6220-00-548-1999
NSN 5915-01-198-0541
NSN 5835-01-501-0526
NSN 5835-00-238-1516
NSN 5975-01-089-5508
NSN 5915-01-377-1085
NSN 6130-00-299-6920
NSN 6240-01-019-8068
NSN 5990-00-484-3189