| COUNTERSINK ANGLE | 99.5 DEGREES MINIMUM AND 100.5 DEGREES MAXIMUM |
| FASTENER LENGTH | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.286 INCHES MINIMUM AND 0.290 INCHES MAXIMUM |
| HEAD STYLE | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| IDENTIFICATION CODE COLOR | VIOLET |
| MATERIAL | ALUMINUM ALLOY 7050 OVERALL |
| SHANK STYLE | STRAIGHT W/RADIUS CHAMFERED TIP |
| SHANK DIAMETER | 0.156 INCHES NOMINAL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ANODIZE OVERALL |