| DISTANCE FROM APERTURE CENTER TO MOUNTING HOLE CENTER | 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM |
| HARDNESS RATING | 29.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| NUT HEIGHT | 0.396 INCHES MINIMUM AND 0.411 INCHES MAXIMUM |
| NUT LENGTH | 0.875 INCHES MINIMUM AND 0.905 INCHES MAXIMUM |
| NUT MOUNTING PROVISION | STRAIGHT HOLES |
| NUT STYLE | PLATE |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| MOUNTING HOLE ARRANGEMENT STYLE | 2 HOLES |
| MOUNTING HOLE DIAMETER | 0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| PLATE THICKNESS | 0.050 INCHES MINIMUM AND 0.080 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2411 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | SILVER OVERALL |
| THREAD CLASS | 3BG |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES | UNJF |