| BARREL HEIGHT | 0.640 INCHES MINIMUM AND 0.650 INCHES MAXIMUM |
| COUNTERBORE DIAMETER | 0.656 INCHES MINIMUM AND 0.666 INCHES MAXIMUM NUT |
| FEATURES PROVIDED | FLOATING NUT |
| HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| LUBRICATION | DRY FILM LUBRICANT |
| MATERIAL | STEEL OVERALL |
| NOMINAL THREAD SIZE | 0.625 INCHES |
| NUT COUNTERBORE DEPTH | 0.276 INCHES MINIMUM AND 0.286 INCHES MAXIMUM NUT |
| NUT DIAMETER | 1.057 INCHES MINIMUM AND 1.060 INCHES MAXIMUM |
| NUT HEIGHT | 0.844 INCHES MINIMUM |
| NUT LENGTH | 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM |
| NUT STYLE | FLOATING SELF-LOCKING BARREL |
| SPECIFICATION/STANDARD DATA | 80205-NAS77 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| TEMP RATING | 450.0 FAHRENHEIT NOMINAL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES | UNJEF |
| THREAD QUANTITY PER INCH | 18 |