| THREAD SERIES | UNJF |
| NOMINAL THREAD SIZE | 0.500 INCHES |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| MATERIAL | STEEL COMP 304 AND |
| STEEL COMP 305 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763, COND A FED SPEC ALL MATERIAL RESPONSES OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| NUT STYLE | BLIND RIVET W/SMOOTH ROUND SHANK |
| NUT DIAMETER | 0.612 INCHES MINIMUM AND |
| 0.614 INCHES MAXIMUM |
| NUT LENGTH | 0.779 INCHES MINIMUM AND |
| 0.809 INCHES MAXIMUM |
| NUT GRIP RANGE | 0.120 TO 0.160 INCHES |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| HEAD STYLE | SERRATED WITH PILOT |
| HEAD DIAMETER | 0.654 INCHES MAXIMUM |
| HEAD HEIGHT | 0.025 INCHES MINIMUM AND |
| 0.035 INCHES MAXIMUM |
| SHANK END TYPE | OPEN |
| TEMP RATING | 450.0 DEG FAHRENHEIT NOMINAL |
| SPECIFICATION/STANDARD DATA | 80205-NAS1731 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |