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 2925-00-284-1534
NSN 6240-01-160-7934
NSN 5998-01-438-1814
NSN 6610-00-605-1915
NSN 6130-00-270-1024
NSN 5950-01-106-3961
NSN 6145-00-393-4083
NSN 6110-00-057-6294
NSN 6110-01-496-9979
NSN 6620-01-068-4498
NSN 6240-01-552-2232
NSN 6150-01-356-6025