| CENTER HOLE SHAPE STYLE | ROUND |
| CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| HARDNESS RATING | 28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| HOLE DIAMETER | 0.312 INCHES MINIMUM AND 0.314 INCHES MAXIMUM |
| OVERALL DIAMETER | 1.053 INCHES MINIMUM AND 1.058 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5059 COND 1/4 OR 1/2 HARD MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5059 COND 1/4 OR 1/2 HARD MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6721 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6721 MIL SPEC 4TH MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 321 OR STEEL COMP 347 OVERALL |
| PERIPHERAL SHAPE STYLE | ROUND |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2 CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THICKNESS | 0.095 INCHES MINIMUM AND 0.105 INCHES MAXIMUM |