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 5855-00-013-1244
NSN 5935-01-199-0379
NSN 5985-00-705-6063
NSN 5930-01-608-2368
NSN 5950-00-482-7157
NSN 5855-01-297-7847
NSN 5895-00-324-0578
NSN 5910-00-038-6902
NSN 5930-01-538-2035
NSN 5950-01-313-0579
NSN 6150-01-297-4387
NSN 6620-00-020-8385