3a thread class right-hand 0.3590" thread length 1.1000" overall length 24 thread quantity per inch cotter pin hole in stud 0.100 in. from stud end, 0.106 in. dia cadmium stud surface treated cam follower unjf thread series
3a thread class right-hand 0.3440" thread length 0.9535" overall length 32 thread quantity per inch lubricator in flanged end of stud cadmium stud surface treated cam follower unjf thread series
Used on b-1b acft. 2.7500" bore diameter silver plate separator 0.0005-0.0015 thk per ams 2410 264a single row, two lip outer ring, no inner ring, roller retainment rings, non-separable