| DISTANCE FROM APERTURE CENTER TO MOUNTING HOLE CENTER | 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM |
| CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH | 0.998 INCHES MINIMUM AND 1.002 INCHES MAXIMUM |
| COUNTERBORE DIAMETER | 0.379 INCHES MINIMUM FIRST END |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| LUBRICATION | DRY FILM LUBRICANT |
| MATERIAL | IRON ALLOY 660 NUT |
| MATERIAL | IRON ALLOY 660 SHELL |
| MOUNTING HOLE ARRANGEMENT STYLE | 2 HOLES |
| MOUNTING HOLE DIAMETER | 0.130 INCHES MINIMUM AND 0.135 INCHES MAXIMUM |
| NOMINAL THREAD SIZE | 0.437 INCHES |
| NUT COUNTERBORE DEPTH | 0.070 INCHES MINIMUM FIRST END |
| NUT HEIGHT | 0.424 INCHES MAXIMUM |
| NUT LENGTH | 1.292 INCHES MAXIMUM |
| NUT MOUNTING PROVISION | STRAIGHT HOLES |
| NUT STYLE | PLATE |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NUT, SELF-LCOKING, PLATE-TWO LUG, FLOATING |
| PLATE THICKNESS | 0.046 INCHES MINIMUM AND 0.054 INCHES MAXIMUM |
| PLATE WIDTH | 0.750 INCHES MAXIMUM |
| SURFACE TREATMENT | PASSIVATE NUT |
| SURFACE TREATMENT | PASSIVATE SHELL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 20 |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |