| COUNTERSINK ANGLE | 150.0 DEGREES NOMINAL |
| FASTENER LENGTH | 0.435 INCHES NOMINAL |
| HEAD HEIGHT | 0.053 INCHES MINIMUM AND 0.067 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.458 INCHES MINIMUM AND 0.478 INCHES MAXIMUM |
| HEAD STYLE | COUNTERSUNK W/ REVERSE CHAMFER |
| HOLE DIAMETER | 0.133 INCHES MINIMUM AND 0.139 INCHES MAXIMUM |
| HOLE DEPTH | 0.183 INCHES MINIMUM AND 0.193 INCHES MAXIMUM |
| MATERIAL | COPPER ALLOY 270 OR STEEL OVERALL |
| SHANK DIAMETER | 0.182 INCHES MINIMUM AND 0.188 INCHES MAXIMUM |
| SHANK STYLE | TUBULAR |
| SPECIAL FEATURES | SURFACE TREATMENT APPLIES TO STEEL MATERIAL ONLY |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | L-1659 FSCM 35874 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | COPPER OVERALL |