2a thread class right-hand 1.3750" thread length 4.7812" overall length 12 thread quantity per inch means for lubrication, female hex drive inlieu of slot oxide all external/exposed metal surfaces surface treated cam follower un thread series
2a thread class right-hand 1.1250" thread length 3.7812" overall length 12 thread quantity per inch means for relubrication, female hex drive in lieu of slot oxide all external/exposed metal surfaces surface treated cam follower unf thread series
3a thread class right-hand 1.9220" overall length 0.2495" bore diameter 24 thread quantity per inch slot in thds 0.0670 in. max wide by 0.0550 in. deep by 4.060 in. lg chromium inner member surface treated ball type unjf thread series
15.00mm overall width 25.00mm bore diameter 25 to 30 pct full of specified lubricant; noise tested; electric motor quality non-loading groove, non-separable