| MATERIAL | ALUMINUM ALLOY OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-430,ALLOY 7050,T73 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 |
| SHEAR STRENGTH | 41000 SINGLE POUNDS PER SQUARE INCH |
| HEAD STYLE | UNDERSIZED OVAL COUNTERSUNK |
| HEAD HEIGHT | 0.004 INCHES MINIMUM AND |
| 0.006 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.3948 INCHES MAXIMUM |
| HEAD MINOR DIAMETER | 0.316 INCHES MINIMUM AND |
| 0.326 INCHES MAXIMUM |
| COUNTERSINK HEIGHT | 0.060 INCHES NOMINAL |
| COUNTERSINK ANGLE | 99.5 DEGREES MINIMUM AND |
| 100.5 DEGREES MAXIMUM |
| SHANK STYLE | STRAIGHT W/RADIUS CHAMFERED TIP |
| FASTENER LENGTH | 0.490 INCHES MINIMUM AND |
| 0.510 INCHES MAXIMUM |
| SHANK DIAMETER | 0.249 INCHES MINIMUM AND |
| 0.252 INCHES MAXIMUM |
| SPECIAL FEATURES | OPTIONAL SQUARED END |
| SPECIFICATION/STANDARD DATA | 80205-NAS1097 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |