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 6135-01-370-2599
NSN 6645-00-246-4934
NSN 6135-00-318-8359
NSN 6645-00-983-2046
NSN 5998-00-560-7971
NSN 5950-00-070-7644
NSN 6645-01-325-9849
NSN 5920-01-455-2393
NSN 6150-01-414-1612
NSN 5915-00-318-1356
NSN 5990-01-564-9532
NSN 5950-01-037-8270