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 5975-00-539-7300
NSN 5960-01-264-2087
NSN 5990-01-647-8574
NSN 6130-00-715-5579
NSN 6220-00-932-3622
NSN 4140-01-411-5908
NSN 5998-00-045-3867
NSN 6650-01-567-6877
NSN 6145-01-451-9580
NSN 5985-00-043-2664
NSN 5855-00-361-0167
NSN 7035-01-412-3692