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 5910-01-461-8248
NSN 5925-00-757-2271
NSN 6645-01-193-5214
NSN 5835-01-291-5405
NSN 7035-00-803-3056
NSN 5996-01-550-3111
NSN 5835-01-447-2544
NSN 6130-00-263-7869
NSN 2925-01-510-9378
NSN 5985-00-912-6618
NSN 6150-01-481-0873
NSN 6610-01-266-8691