| COUNTERSINK ANGLE | 98.5 DEGREES MINIMUM AND 101.5 DEGREES MAXIMUM |
| FASTENER LENGTH | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM |
| HEAD STYLE | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| HEAD MAJOR DIAMETER | 0.155 INCHES MINIMUM AND 0.190 INCHES MAXIMUM |
| HEAT TREATMENT | ANNEALED OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-W-423 COMP 302 FED SPEC 1ST MATERIAL RESPONSE OR QQ-W-423 COMP 304 FED SPEC 2ND MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 302 OR STEEL COMP 304 OVERALL |
| SHANK DIAMETER | 0.093 INCHES MINIMUM AND 0.097 INCHES MAXIMUM |
| SHANK STYLE | STRAIGHT |
| SHEAR STRENGTH | 65000 SINGLE POUNDS PER SQUARE INCH |