| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| THREAD DIRECTION | RIGHT-HAND |
| NUT STYLE | PLATE |
| MATERIAL | STEEL NUT |
| RUBBER FLUOROSILICONE CLASS FQ SEAL |
| IRON ALLOY 660 SHELL |
| STEEL COMP 1008 OR |
| STEEL COMP 1009 OR |
| STEEL COMP 1015 OR |
| STEEL COMP 1018 OR |
| STEEL COMP 1020 WASHER |
| THREAD SERIES | UNJF |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 28 |
| THREAD CLASS | 3B |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-25988 MIL SPEC SINGLE MATERIAL RESPONSE SEAL |
| AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE SHELL |
| SURFACE TREATMENT | CADMIUM AND |
| CHROMATE NUT |
| PASSIVATE SHELL |
| CADMIUM AND |
| CHROMATE WASHER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE NUT |
| QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SHELL |
| QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE WASHER |
| OVERALL HEIGHT | 0.775 INCHES MAXIMUM |
| NUT LENGTH | 0.930 INCHES MAXIMUM |
| NUT HEIGHT | 0.495 INCHES MAXIMUM |
| PLATE THICKNESS | 0.030 INCHES MAXIMUM |
| NUT COUNTERBORE DEPTH | 0.250 INCHES MINIMUM BASE |
| COUNTERBORE DIAMETER | 0.300 INCHES MINIMUM BASE |
| 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 | 0.432 INCHES MINIMUM AND |
| 0.442 INCHES MAXIMUM |
| TEMP RATING | 450.0 DEG FAHRENHEIT MAXIMUM |
| FEATURES PROVIDED | FLOATING NUT |