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 6645-01-437-9017
NSN 5950-01-023-1493
NSN 5998-01-012-8673
NSN 7035-01-476-7787
NSN 5996-01-099-9801
NSN 6105-00-960-6327
NSN 6610-00-872-5795
NSN 5935-01-528-8514
NSN 5965-01-552-5576
NSN 5835-01-279-9508
NSN 6610-01-089-1018
NSN 5945-00-994-4602