| HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM |
| HOLE DIAMETER | 0.640 INCHES MINIMUM AND 0.663 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 1.590 INCHES MINIMUM AND 1.620 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | -QQ-S-633 CANC FED SPEC ALL MATERIAL RESPONSES OVERALL |
| MATERIAL THICKNESS | 0.059 INCHES MINIMUM AND 0.067 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 1060 OR STEEL COMP 1065 OR STEEL COMP 1070 OR STEEL COMP 1075 OR STEEL COMP 1080 OVERALL |
| STYLE DESIGNATOR | FLAT EXTERNAL AND INTERNAL TEETH |
| SURFACE TREATMENT | CADMIUM OR ZINC OVERALL |