| HEAD DIAMETER | 0.650 INCHES MINIMUM AND 0.680 INCHES MAXIMUM |
| HEAD HEIGHT | 0.062 INCHES NOMINAL |
| HEAD STYLE | FLAT KEYED |
| KEY LENGTH | 0.040 INCHES MAXIMUM |
| NUT LENGTH | 1.172 INCHES MINIMUM AND 1.202 INCHES MAXIMUM |
| NUT STYLE | BLIND RIVET W/SMOOTH ROUND SHANK |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-1150 MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | ALUMINUM ALLOY 3003 OR ALUMINUM ALLOY 6053 OR ALUMINUM ALLOY 6061 OVERALL |
| NOMINAL THREAD SIZE | 0.312 INCHES |
| NUT DIAMETER | 0.409 INCHES MINIMUM AND 0.413 INCHES MAXIMUM |
| SHANK END TYPE | CLOSED |
| SPECIFICATION/STANDARD DATA | 80205-NAS1329 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ANODIZE OVERALL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES | UNF |