| GENERAL CHARACTERISTICS ITEM DESCRIPTION | STEEL,MIL-S-13048 COMP 8635 THRU 8645 OR 4145 TO 4147,ROCKWELL HARDNESS C 32-36,8.680 IN. OD,0.340 IN. FLANGE THK,2.970 IN. LG OF STEPPED HUB,0.750 IN. DIA BY 0.710 IN. LG 1ST STEP,1.248 IN. DIA BY 1.470 IN. LG 2ND STEP,1.378 IN. DIA BY 0.790 IN. LG 3RD STEP,3/4-16 UNF-3A THD LOCATED ON 1ST STEP OF HUB,EXTERNAL INVOLUTE SPLINE LOCATED ON 2ND STEP OF HUB,27 NO. OF TEETH,1.161 IN. MAJOR DIA,1.125 IN. P.D.,1.032 IN. MINOR DIA,16 BOLT HOLES LOCATED ON FLANGE,5/16-24 UNF-3B THD SIZE,8.124 IN. BOLT CIRCLE DIA |