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 5910-01-268-6420
NSN 5985-01-653-9826
NSN 7035-00-763-6180
NSN 5835-01-056-9303
NSN 5935-00-059-9469
NSN 7035-00-145-9138
NSN 6320-00-575-6072
NSN 6135-01-142-2417
NSN 6240-01-229-5712
NSN 6620-01-632-0394
NSN 6320-00-701-0437
NSN 6610-01-049-8747