3b thread class right-hand 1.7400" overall length 0.1895" bore diameter 28 thread quantity per inch P2020 lbs radial load, 200 lbs thrust load, radial clearance 0.0002 in. min 0.0010 in. max, 0.0700 in. dia inspection hole 0.3750 in from bottom on center line in shank, grease fitting in head, nas 513 keyway across flats cadmium all external/exposed metal surfaces surface treated single row, concave rollers unjf thread series
3a thread class right-hand 1.6910" overall length 0.1895" bore diameter 24 thread quantity per inch NAS513 keyway in shank cadmium all external/exposed metal surfaces surface treated double row, staggered, ball unf thread series
2a thread class right-hand 0.8750" thread length 3.4999" overall length 12 thread quantity per inch stud counterbore 0.8750 in. dia 0.2500 in. deep, drilled hole in od of stud 0.2500 in. dia 0.6250 in. deep oxide all external/exposed metal surfaces surface treated cam follower unf thread series
Used on acft eng t-56. 0.3887" overall width 0.6991" bore diameter separator silver plated 0.0005-0.0015 thk per ams 2412 252e single row, one-direction locating, two lip inner ring, one lip outer ring, separable
