| HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM |
| HOLE DIAMETER | 0.444 INCHES MINIMUM AND 0.454 INCHES MAXIMUM |
| INTERNAL PREBENT KEY WIDTH | 0.081 INCHES MINIMUM AND 0.091 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.060 INCHES NOMINAL |
| MATERIAL | STEEL COMP 4130 OVERALL |
| OUTSIDE DIAMETER | 0.630 INCHES MINIMUM AND 0.650 INCHES MAXIMUM |
| SPECIFICATION/STANDARD DATA | 81349-MIL-B-81935-3 GOVERNMENT SPECIFICATION |
| STYLE DESIGNATOR | INTERNAL PREBENT KEY |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| WIRE HOLE DIAMETER | 0.062 INCHES MINIMUM AND 0.072 INCHES MAXIMUM |