| HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM |
| HOLE DIAMETER | 0.512 INCHES MINIMUM AND 0.530 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 1.590 INCHES MINIMUM AND 1.620 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| MATERIAL THICKNESS | 0.059 INCHES MINIMUM AND 0.067 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 1050 OR STEEL COMP 1551 OR STEEL COMP 1552 OR STEEL COMP 1053 OR STEEL COMP 1055 OR STEEL COMP 1059 OR STEEL COMP 1060 OR STEEL COMP 1561 OR STEEL COMP 1064 OR STEEL COMP 1065 OR STEEL COMP 1566 OVERALL |
| NONDEFINITIVE SPEC/STD DATA | 3 TYPE AND 1 OR 2 STYLE AND 1 COMPOSITION |
| STYLE DESIGNATOR | FLAT EXTERNAL AND INTERNAL TEETH |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |