Used on 4940-01-619-0916. 2a thread class right-hand 0.75" thread length tee no. 5 head style 16 thread quantity per inch exhaust clamp, t-bolt bolt has a .5 inch long collar that can be welded in place. black chemical finish surface treated unc thread series
3a thread class right-hand 0.875" thread length flat fillister head style 32 thread quantity per inch screw, cap, socket head cadmium surface treated unjc thread series