| CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH | 1.250 INCHES MINIMUM AND 1.252 INCHES MAXIMUM |
| COUNTERBORE DIAMETER | 0.569 INCHES MAXIMUM NUT |
| DISTANCE FROM APERTURE CENTER TO MOUNTING HOLE CENTER | 0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM |
| FEATURES PROVIDED | FLOATING NUT |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| LUBRICATION | DRY FILM LUBRICANT |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6350 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4130 OVERALL |
| MOUNTING HOLE DIAMETER | 0.161 INCHES MINIMUM AND 0.166 INCHES MAXIMUM |
| MOUNTING HOLE ARRANGEMENT STYLE | 2 HOLES |
| NOMINAL THREAD SIZE | 0.500 INCHES |
| NUT COUNTERBORE DEPTH | 0.062 INCHES MINIMUM NUT |
| NUT LENGTH | 1.575 INCHES MAXIMUM |
| NUT MOUNTING PROVISION | STRAIGHT HOLES |
| NUT STYLE | PLATE |
| NUT HEIGHT | 0.540 INCHES MAXIMUM |
| PLATE THICKNESS | 0.035 INCHES NOMINAL |
| PLATE WIDTH | 0.841 INCHES MAXIMUM |
| REMOVABLE NUT MANUFACTURER CODE | 80539 |
| REMOVABLE NUT MANUFACTURER PART NUMBER | 1323-080 |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| TEMP RATING | 550.0 FAHRENHEIT NOMINAL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 20 |
| THREAD SERIES | UNF |