| 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 | 0.254 INCHES MINIMUM NUT |
| FEATURES PROVIDED | FLOATING NUT |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| LUBRICATION | DRY FILM LUBRICANT |
| MATERIAL | STEEL OVERALL |
| MOUNTING HOLE DIAMETER | 0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM |
| MOUNTING HOLE ARRANGEMENT STYLE | 2 HOLES |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| NUT COUNTERBORE DEPTH | 0.375 INCHES MINIMUM NUT |
| NUT HEIGHT | 0.600 INCHES MAXIMUM |
| NUT LENGTH | 1.292 INCHES MAXIMUM |
| NUT MOUNTING PROVISION | STRAIGHT HOLES |
| NUT STYLE | PLATE |
| PLATE THICKNESS | 0.028 INCHES MINIMUM AND 0.036 INCHES MAXIMUM |
| PLATE WIDTH | 0.554 INCHES MAXIMUM |
| REMOVABLE NUT MANUFACTURER PART NUMBER | ST3M445A4M6 |
| REMOVABLE NUT MANUFACTURER CODE | 76301 |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| TEMP RATING | 450.0 FAHRENHEIT MAXIMUM |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| THREAD QUANTITY PER INCH | 28 |