| MATERIAL | ALUMINUM ALLOY 2117 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-430,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | ANODIZE OR |
| CHROMATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC 1ST TREATMENT RESPONSE OR |
| MIL-C-5541 MIL SPEC 2ND TREATMENT RESPONSE OVERALL |
| HEAD STYLE | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| HEAD MAJOR DIAMETER | 0.388 INCHES MINIMUM AND |
| 0.406 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 99.5 DEGREES MINIMUM AND |
| 100.5 DEGREES MAXIMUM |
| SHANK STYLE | STRAIGHT W/RADIUS CHAMFERED TIP |
| FASTENER LENGTH | 1.000 INCHES NOMINAL |
| SHANK DIAMETER | 0.187 INCHES MINIMUM AND |
| 0.191 INCHES MAXIMUM |