| HEAD DIAMETER | 0.529 INCHES NOMINAL0.529 INCHES NOMINAL |
| HEAD COUNTERSINK ANGLE | 99.00 DEGREES MINIMUM AND 99.00 DEGREES MINIMUM AND 101.00 DEGREES MAXIMUM101.00 DEGREES MAXIMUM |
| HEAD HEIGHT | 0.089 INCHES MAXIMUM0.089 INCHES MAXIMUM |
| HEAD STYLE | FLAT COUNTERSUNK REVERSE KEYEDFLAT COUNTERSUNK REVERSE KEYED |
| KEY LENGTH | 0.089 INCHES MAXIMUM0.089 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-1150 MIL SPEC ALL MATERIAL RESPONSES OVERALLMIL-R-1150 MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | ALUMINUM ALLOY 3003 OR ALUMINUM ALLOY 3003 OR ALUMINUM ALLOY 6053 OR ALUMINUM ALLOY 6053 OR ALUMINUM ALLOY 6061 OVERALLALUMINUM ALLOY 6061 OVERALL |
| NOMINAL THREAD SIZE | 0.250 INCHES0.250 INCHES |
| NUT DIAMETER | 0.328 INCHES MINIMUM AND 0.328 INCHES MINIMUM AND 0.332 INCHES MAXIMUM0.332 INCHES MAXIMUM |
| NUT STYLE | BLIND RIVET W/SMOOTH ROUND SHANKBLIND RIVET W/SMOOTH ROUND SHANK |
| NUT LENGTH | 0.672 INCHES MINIMUM AND 0.672 INCHES MINIMUM AND 0.702 INCHES MAXIMUM0.702 INCHES MAXIMUM |
| SHANK END TYPE | OPENOPEN |
| SPECIFICATION/STANDARD DATA | 80205-NAS1330 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD80205-NAS1330 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALLMIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ANODIZE OVERALLANODIZE OVERALL |
| THREAD CLASS | 3B3B |
| THREAD DIRECTION | RIGHT-HANDRIGHT-HAND |
| THREAD QUANTITY PER INCH | 2828 |
| THREAD SERIES | UNFUNF |