| COUNTERBORE DIAMETER | 0.250 INCHES NOMINAL NUT |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS4016 ASSN STD SINGLE MATERIAL RESPONSE BASE |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5525 ASSN STD 1ST MATERIAL RESPONSE OR AMS5514 ASSN STD 2ND MATERIAL RESPONSE OR AMS5639 ASSN STD 3RD MATERIAL RESPONSE SHELL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5525 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| MATERIAL | ALUMINUM ALLOY 5052 BASE |
| MATERIAL | IRON ALLOY 660 OR STEEL COMP 304 OR STEEL COMP 305 SHELL |
| MATERIAL | IRON ALLOY 660 NUT |
| NOMINAL THREAD SIZE | 0.164 INCHES |
| NUT COUNTERBORE DEPTH | 0.140 INCHES MINIMUM AND 0.190 INCHES MAXIMUM NUT |
| NUT HEIGHT | 0.337 INCHES MINIMUM AND 0.387 INCHES MAXIMUM |
| NUT STYLE | PLATE |
| NUT LENGTH | 0.948 INCHES MAXIMUM |
| PLATE THICKNESS | 0.020 INCHES NOMINAL |
| PLATE WIDTH | 0.516 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 TY1 MIL SPEC SINGLE TREATMENT RESPONSE BASE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE NUT |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SHELL |
| SURFACE TREATMENT | ANODIZE BASE |
| SURFACE TREATMENT | PASSIVATE NUT |
| SURFACE TREATMENT | PASSIVATE SHELL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 3B |
| THREAD SERIES | UNJC |
| THREAD QUANTITY PER INCH | 32 |