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 5935-01-341-1413
NSN 5930-01-479-0054
NSN 5950-01-483-5956
NSN 6240-01-066-5958
NSN 5990-01-584-8363
NSN 6145-01-509-7729
NSN 5855-00-631-4565
NSN 6620-00-246-5159
NSN 6220-00-716-3939
NSN 2925-00-644-0028
NSN 6650-01-096-6803
NSN 5950-00-764-2073