| FASTENER LENGTH | 0.312 INCHES NOMINAL |
| HEAD HEIGHT | 0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM |
| HEAD STYLE | UNIVERSAL |
| HEAD MAJOR DIAMETER | 0.356 INCHES MINIMUM AND 0.394 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-430,ALLOY 7050,T73 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | ALUMINUM ALLOY OVERALL |
| SHANK DIAMETER | 0.186 INCHES MINIMUM AND 0.191 INCHES MAXIMUM |
| SHANK STYLE | STRAIGHT W/RADIUS CHAMFERED TIP |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541 CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CHROMATE OVERALL |