| DISTANCE FROM MOUNTING HOLE CENTER TO BASE | 0.141 INCHES MINIMUM AND 0.172 INCHES MAXIMUM |
| COUNTERBORE DIAMETER | 0.329 INCHES MINIMUM AND 0.334 INCHES MAXIMUM NUT |
| HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| MOUNTING HOLE DIAMETER | 0.089 INCHES MINIMUM AND 0.099 INCHES MAXIMUM |
| NOMINAL THREAD SIZE | 0.312 INCHES |
| NUT COUNTERBORE DEPTH | 0.070 INCHES MINIMUM AND 0.100 INCHES MAXIMUM NUT |
| NUT HEIGHT | 0.422 INCHES MINIMUM AND 0.457 INCHES MAXIMUM |
| NUT STYLE | PLATE |
| NUT LENGTH | 0.763 INCHES MINIMUM AND 0.793 INCHES MAXIMUM |
| NUT MOUNTING PROVISION | STRAIGHT HOLES |
| PLATE WIDTH | 0.474 INCHES MINIMUM AND 0.494 INCHES MAXIMUM |
| PLATE THICKNESS | 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |