"CONSISTS OF CAGE 19207 P/N 8356 359;MAX DIA 2.253 IN.,MIN DIA 2.252 IN.;MAX LG 1.970 IN.,HOLE THRU ONE WALL 0.375 IN. DIA.HOLE THRU OTHER WA LL 0.250 IN. DIA.;MATLCARBON STEEL,COMP 1008 THRU 1022 SPEC QQ;HEAT TREAT CASE HARDEN ALL OVER ROCKWELL 15N 90 MINPER 8355701,METHOD"