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 5998-01-085-9809
NSN 6135-00-756-6149
NSN 5910-00-235-4441
NSN 6150-01-533-4106
NSN 5998-00-958-7399
NSN 5999-01-086-4750
NSN 6135-01-633-8502
NSN 5945-01-339-4044
NSN 6145-01-278-2102
NSN 5905-00-714-3582
NSN 6135-00-557-0174
NSN 5945-00-858-2457