| MATERIAL | ALUMINUM ALLOY OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | L36,FSCM K7766 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | ANODIZE OR |
| CHROMATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DEF 151 NATIONAL SPEC 1ST TREATMENT RESPONSE OR |
| DTD 913 FSCM K7766 NATIONAL SPEC 2ND TREATMENT RESPONSE OVERALL |
| HEAD STYLE | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| HEAD MAJOR DIAMETER | 0.4805 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND |
| 101.0 DEGREES MAXIMUM |
| SHANK STYLE | STRAIGHT |
| FASTENER LENGTH | 0.615 INCHES MINIMUM AND |
| 0.635 INCHES MAXIMUM |
| SHANK DIAMETER | 0.249 INCHES MINIMUM AND |
| 0.253 INCHES MAXIMUM |
| IDENTIFICATION CODE COLOR | BLACK |