Pratt Whitney Industrial 1-3 8"-16 NS PD 1.3344 Go Thread Ring Gauge is a GO thread ring gauge designed to verify external threads on parts identified as 1-3 8"-16 NS, with a pitch diameter of 1.3344 inches. It is a GO GAGE ONLY configuration, providing the GO-side check for the specified thread size. The PD value of 1.3344 inches defines the pitch diameter target the mating thread must meet to pass the GO gauge. Use this gauge in industrial quality control to confirm Pratt Whitney components or similar external-threaded parts meet the GO limit for the 1-3 8"-16 NS thread family.
