| GENERAL CHARACTERISTICS ITEM DESCRIPTION | STEEL 8640,0.5172 IN. MIN. 0.5175 IN. MAX DIA BODY 0.984IN. LG,W/5 GROOVES 0.020 IN. MIN. 0.030 IN. MAX W BY 0.030IN. MIN. 0.040 IN. MAX DEEP,0.750 IN. DIA FLANGE 0.125 IN. LG,0.375 IN. DIA HUB,1.187 IN. O/A LG,PROTECTIVE FINISHPHOSPHATE MIL-C-16232,TYPE 1,HEAT TREAT 50-55 ROCKWELL C |