| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| THREAD DIRECTION | RIGHT-HAND |
| NUT STYLE | PLATE (FLOATING) |
| MATERIAL | IRON ALLOY 660 CAP |
| NICKEL ALLOY 718 NUT |
| 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 1ST MATERIAL RESPONSE OR |
| AMS-5726 ASSN STD 2ND MATERIAL RESPONSE OR |
| AMS-5731 ASSN STD 3RD MATERIAL RESPONSE OR |
| AMS-5732 ASSN STD 4TH MATERIAL RESPONSE OR |
| AMS-5737 ASSN STD 5TH MATERIAL RESPONSE CAP |
| 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 |
| SURFACE TREATMENT | PASSIVATE CAP |
| PASSIVATE NUT |
| NUT LENGTH | 1.235 INCHES MINIMUM AND |
| 1.255 INCHES MAXIMUM |
| NUT HEIGHT | 0.562 INCHES MINIMUM AND |
| 0.582 INCHES MAXIMUM |
| PLATE THICKNESS | 0.050 INCHES MINIMUM AND |
| 0.070 INCHES MAXIMUM |
| PLATE WIDTH | 0.797 INCHES MINIMUM AND |
| 0.817 INCHES MAXIMUM |
| NUT COUNTERBORE DEPTH | 0.177 INCHES MINIMUM AND |
| 0.197 INCHES MAXIMUM NUT |
| SPECIAL FEATURES | NUT, PLATE-CAP HEIGHT .825 + OR -.010, CAP O.D. .550 + OR - .010, BASE PLATE TOP LT CORNER TO RT SIDE LOWER CORNER 1.05 + OR - .010 |