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 5998-01-215-8121
NSN 6645-00-218-6354
NSN 6610-00-005-4452
NSN 5895-00-267-7430
NSN 5915-01-245-9480
NSN 6110-00-336-1734
NSN 5990-01-537-1124
NSN 5998-00-709-0613
NSN 2925-01-088-9016
NSN 5960-00-494-8937
NSN 6320-01-569-2672
NSN 6130-00-572-1597