| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| THREAD DIRECTION | RIGHT-HAND |
| NUT STYLE | PLATE |
| MATERIAL | IRON ALLOY 660 BASE |
| NICKEL ALLOY 718 NUT |
| STEEL COMP 302 CLIP |
| THREAD SERIES | UNJF |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 28 |
| THREAD CLASS | 3B |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE BASE |
| AMS 5596 ASSN STD 1ST MATERIAL RESPONSE OR |
| AMS 5597 ASSN STD 2ND MATERIAL RESPONSE OR |
| AMS 5662 ASSN STD 3RD MATERIAL RESPONSE OR |
| AMS 5663 ASSN STD 4TH MATERIAL RESPONSE OR |
| AMS 5664 ASSN STD 5TH MATERIAL RESPONSE NUT |
| AMS 5688 ASSN STD 1ST MATERIAL RESPONSE OR |
| AMS 5866 ASSN STD 2ND MATERIAL RESPONSE CLIP |
| SURFACE TREATMENT | PASSIVATE BASE |
| PASSIVATE NUT |
| PASSIVATE CLIP |
| NUT LENGTH | 1.032 INCHES MINIMUM AND |
| 1.052 INCHES MAXIMUM |
| NUT HEIGHT | 0.507 INCHES MINIMUM AND |
| 0.527 INCHES MAXIMUM |
| PLATE THICKNESS | 0.050 INCHES MINIMUM AND |
| 0.070 INCHES MAXIMUM |
| PLATE WIDTH | 0.640 INCHES MINIMUM AND |
| 0.660 INCHES MAXIMUM |
| NUT COUNTERBORE DEPTH | 0.115 INCHES MINIMUM AND |
| 0.135 INCHES MAXIMUM NUT |
| COUNTERBORE DIAMETER | 0.302 INCHES MINIMUM AND |
| 0.322 INCHES MAXIMUM BASE |