| FASTENER LENGTH | 0.213 INCHES NOMINAL |
| HEAD HEIGHT | 0.037 INCHES NOMINAL |
| HEAD STYLE | FLAT CHAMFER |
| HEAD MAJOR DIAMETER | 0.250 INCHES NOMINAL |
| HEAT TREATMENT | H-14 STRAIN HARDENED, 1/2 HARD OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-411 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | ALUMINUM ALLOY 1100 OVERALL |
| SHANK DIAMETER | 0.093 INCHES MINIMUM AND 0.097 INCHES MAXIMUM |
| SHANK STYLE | STRAIGHT W/SHOULDER |
| SHOULDER DIAMETER | 0.118 INCHES MINIMUM AND 0.120 INCHES MAXIMUM |
| SHOULDER LENGTH | 0.022 INCHES MINIMUM AND 0.027 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CHROMATE OVERALL |