| COUNTERSINK ANGLE | 148.0 DEGREES MINIMUM AND 150.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 0.276 INCHES MINIMUM AND 0.286 INCHES MAXIMUM |
| HEAD HEIGHT | 0.041 INCHES MINIMUM AND 0.051 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.351 INCHES MINIMUM AND 0.367 INCHES MAXIMUM |
| HEAD STYLE | COUNTERSUNK W/ REVERSE CHAMFER |
| HOLE DEPTH | 0.155 INCHES NOMINAL |
| HOLE DIAMETER | 0.133 INCHES MINIMUM AND 0.139 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281,CL A TEMPER 0 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | NICKEL ALLOY 400 OVERALL |
| SHANK DIAMETER | 0.182 INCHES MINIMUM AND 0.188 INCHES MAXIMUM |
| SHANK STYLE | TUBULAR |
| SHEAR STRENGTH | 49000 DOUBLE POUNDS PER SQUARE INCH |