| HARDNESS RATING | 34.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
| HOLE DIAMETER | 0.381 INCHES MINIMUM AND 0.391 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 0.810 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.035 INCHES MINIMUM AND 0.045 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 4130 OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |