| FASTENER LENGTH | 0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM |
| HEAD HEIGHT | 0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.356 INCHES MINIMUM AND 0.394 INCHES MAXIMUM |
| HEAD STYLE | UNIVERSAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281, CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | COPPER ALLOY OVERALL |
| MINIMUM TENSILE STRENGTH | 49000 POUNDS PER SQUARE INCH |
| SHANK DIAMETER | 0.186 INCHES MINIMUM AND 0.191 INCHES MAXIMUM |
| SHANK STYLE | STRAIGHT |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TY 2, CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |