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 5965-01-335-2245
NSN 5930-01-558-5194
NSN 5915-00-001-3117
NSN 5905-00-186-9548
NSN 6620-00-166-0556
NSN 5915-01-443-8217
NSN 5895-00-239-9138
NSN 5855-00-149-0766
NSN 5950-00-285-6419
NSN 6130-01-420-5965
NSN 2925-00-604-7487
NSN 5935-00-932-0605