| CENTER HOLE SHAPE STYLE | ROUND |
| CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| HOLE DIAMETER | 1.630 INCHES MINIMUM AND 1.640 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | BS 1449 PART 1 CR4 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| PERIPHERAL SHAPE STYLE | ROUND |
| OVERALL DIAMETER | 2.330 INCHES MINIMUM AND 2.350 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DEF 29A CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PHOSPHATE OVERALL |
| THICKNESS | 0.028 INCHES NOMINAL |