| COUNTERBORE DIAMETER | 0.139 INCHES MINIMUM AND 0.144 INCHES MAXIMUM NUT |
| HARDNESS RATING | 20.0 ROCKWELL C MAXIMUM |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| LUBRICATION | DRY FILM LUBRICANT |
| MATERIAL DOCUMENT AND CLASSIFICATION | AISI NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 1117 OVERALL |
| NOMINAL THREAD SIZE | 0.112 INCHES |
| NUT COUNTERBORE DEPTH | 0.048 INCHES MINIMUM AND 0.058 INCHES MAXIMUM NUT |
| NUT HEIGHT | 0.193 INCHES MINIMUM AND 0.223 INCHES MAXIMUM |
| NUT STYLE | CLINCH |
| PILOT LENGTH | 0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM |
| PILOT DIAMETER | 0.187 INCHES MINIMUM AND 0.191 INCHES MAXIMUM |
| SPECIFICATION/STANDARD DATA | 80539-22FP MANUFACTURERS STANDARD |
| WIDTH ACROSS FLATS | 0.243 INCHES MINIMUM AND 0.251 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| TEMP RATING | 450.0 FAHRENHEIT NOMINAL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 48 |
| THREAD SERIES | UNJF |