| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| THREAD DIRECTION | RIGHT-HAND |
| NUT STYLE | PLATE |
| MATERIAL | IRON ALLOY 660 OR |
| NICKEL ALLOY 718 NUT |
| STEEL COMP 631 SHELL |
| STEEL COMP 631 CLIP |
| THREAD SERIES | UNJF |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 28 |
| THREAD CLASS | 3B |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5731 ASSN STD 1ST MATERIAL RESPONSE OR |
| AMS5732 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| SURFACE TREATMENT | PASSIVATE NUT |
| PASSIVATE SHELL |
| PASSIVATE CLIP |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ P-35 FED SPEC SINGLE TREATMENT RESPONSE CLIP |
| NUT LENGTH | 1.375 INCHES NOMINAL |
| NUT HEIGHT | 0.423 INCHES MAXIMUM |
| PLATE THICKNESS | 0.023 INCHES MINIMUM AND |
| 0.027 INCHES MAXIMUM |
| PLATE WIDTH | 0.865 INCHES MAXIMUM |
| NUT COUNTERBORE DEPTH | 0.278 INCHES MINIMUM AND |
| 0.288 INCHES MAXIMUM NUT |
| COUNTERBORE DIAMETER | 0.265 INCHES MINIMUM AND |
| 0.270 INCHES MAXIMUM NUT |
| LUBRICATION | DRY FILM LUBRICANT |
| NUT MOUNTING PROVISION | STRAIGHT HOLES |
| MOUNTING HOLE ARRANGEMENT STYLE | 2 HOLES |
| MOUNTING HOLE DIAMETER | 0.098 INCHES MINIMUM AND |
| 0.103 INCHES MAXIMUM |
| DISTANCE FROM APERTURE CENTER TO MOUNTING HOLE CENTER | 0.557 INCHES MINIMUM AND |
| 0.567 INCHES MAXIMUM |
| CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH | 1.123 INCHES MINIMUM AND |
| 1.127 INCHES MAXIMUM |
| TEMP RATING | 450.0 DEG FAHRENHEIT NOMINAL |
| FEATURES PROVIDED | FLOATING NUT |
| SPECIAL FEATURES | SPRING LOADED; NUT EXTENDS BELOW BASE |