"STEEL 303,MIL-S-7720 CONDITION B,1.265 IN. LG O/A,0.560 IN. W BAND W/INSIDE SERRATIONS,0.430 IN. LG THD POST PARALLEL TO BAND,0.312-24 UNF3A W/O THD RELIEF,0.030 IN. DEEP,45.0 DEG END CHAMFER,1 EA 0.094 IN. DIA HOLE THROUGH CENTER 0.130 IN. FROM END"