"PLASTIC POLYHEXAMETHYLENE ADIPAMIDE,MIL-M-20693 TY 1 OR L-P-410 6/6; 2.820 IN. OVERALL DIA; 1.620 IN. HT; TWO HOLES 0.055 IN. MIN AND 0.065 IN. MAX DIA,0.080 IN. DEEP; TWO HOLES 0.045 IN. MIN AND 0.055 IN. MAX DIA; THREE HOLES 0.120 IN. DIA,CSK TO 0.400 IN. DIA; ONE HOLE 0.100 IN. DIA"