| THREAD SERIES | UNJC |
| NOMINAL THREAD SIZE | 0.164 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| MATERIAL | IRON ALLOY 660 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5734 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | SILVER OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-S-365,TYPE 2,GRADE B FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| NUT STYLE | CLINCH |
| PILOT DIAMETER | 0.305 INCHES MINIMUM AND |
| 0.311 INCHES MAXIMUM |
| PILOT LENGTH | 0.087 INCHES MINIMUM AND |
| 0.107 INCHES MAXIMUM |
| NUT DIAMETER | 0.395 INCHES MINIMUM AND |
| 0.425 INCHES MAXIMUM |
| NUT HEIGHT | 0.265 INCHES MAXIMUM |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| NUT COUNTERBORE DEPTH | 0.087 INCHES MINIMUM AND |
| 0.107 INCHES MAXIMUM BASE |
| COUNTERBORE DIAMETER | 0.215 INCHES MINIMUM AND |
| 0.225 INCHES MAXIMUM BASE |
| LUBRICATION | DRY FILM LUBRICANT |
| FEATURES PROVIDED | FLOATING NUT |
| PRECIOUS MATERIAL | SILVER |
| PRECIOUS MATERIAL AND LOCATION | OVERALL SILVER |
| SPEC/STD CONTROLLING DATA | |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MIL-N-45938 |
| MANUFACTURERS CODE | 81349 |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | M45938/13-4CL |