| COUNTERSINK ANGLE | 99.5 DEGREES MINIMUM AND 100.5 DEGREES MAXIMUM |
| COUNTERSINK HEIGHT | 0.060 INCHES NOMINAL |
| FASTENER LENGTH | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| HEAD HEIGHT | 0.004 INCHES MINIMUM AND 0.006 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.371 INCHES MINIMUM AND 0.395 INCHES MAXIMUM |
| HEAD MINOR DIAMETER | 0.316 INCHES MINIMUM AND 0.326 INCHES MAXIMUM |
| HEAD STYLE | UNDERSIZED OVAL COUNTERSUNK |
| MATERIAL | ALUMINUM ALLOY 5056 OVERALL |
| SHANK DIAMETER | 0.249 INCHES MINIMUM AND 0.252 INCHES MAXIMUM |
| SHANK STYLE | STRAIGHT |
| SHEAR STRENGTH | 24000 SINGLE POUNDS PER SQUARE INCH |
| SPECIFICATION/STANDARD DATA | 80205-NAS1097 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC 1ST TREATMENT RESPONSE OR MIL-C-5541 MIL SPEC 2ND TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ANODIZE OR CHROMATE OVERALL |