| BEARING SURFACE TYPE | CHAMFERED OR WASHER FACED |
| COUNTERSINK ANGLE | 120.0 DEGREES NOMINAL NUT |
| LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| LUBRICATION | DRY FILM LUBRICANT |
| NUT HEIGHT | 0.266 INCHES MAXIMUM |
| NUT STYLE | HEXAGON |
| MATERIAL | PLASTIC POLYAMIDE LOCKING INSERT |
| MATERIAL | STEEL OVERALL EXCEPT INSERT |
| NOMINAL THREAD SIZE | 0.312 INCHES |
| SPECIFICATION/STANDARD DATA | 80205-NAS1022 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| WIDTH ACROSS FLATS | 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE NUT |
| SURFACE TREATMENT | CADMIUM NUT |
| TEMP RATING | 250.0 FAHRENHEIT NOMINAL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES | UNJF |