| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL | 
| FASTENER LENGTH | 0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM | 
| HEAD STYLE | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) | 
| HEAD MAJOR DIAMETER | 0.290 INCHES MAXIMUM | 
| HEAT TREATMENT | H-32 STRAIN HARDENED OVERALL | 
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-430 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | 
| MATERIAL | ALUMINUM ALLOY 5056 OVERALL | 
| SHANK DIAMETER | 0.155 INCHES MINIMUM AND 0.159 INCHES MAXIMUM | 
| SHANK STYLE | STRAIGHT W/RADIUS CHAMFERED TIP | 
| SHEAR STRENGTH | 24000 SINGLE POUNDS PER SQUARE INCH | 
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | 
| SURFACE TREATMENT | CHROMATE OVERALL |