| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN | 
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | 
| MATERIAL | IRON ALLOY 660 OVERALL | 
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NUT | 
| PRECIOUS MATERIAL | SILVER | 
| PROPRIETARY CHARACTERISTICS | PACS | 
| NOMINAL THREAD SIZE | 0.190 INCHES | 
| NUT STYLE | HEXAGON | 
| OVERALL HEIGHT | 0.210 INCHES MAXIMUM | 
| WASHER OUTSIDE DIAMETER | 0.330 INCHES MAXIMUM | 
| WASHER THICKNESS | 0.015 INCHES MINIMUM | 
| WIDTH ACROSS FLATS | 0.243 INCHES MINIMUM AND 0.252 INCHES MAXIMUM | 
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-S-5002 MIL SPEC 1ST TREATMENT RESPONSE OVERALL AND AMS2410 ASSN STD 2ND TREATMENT RESPONSE OVERALL | 
| SURFACE TREATMENT | PASSIVATE OVERALL AND SILVER OVERALL | 
| THREAD CLASS | 3B | 
| THREAD DIRECTION | RIGHT-HAND | 
| THREAD QUANTITY PER INCH | 32 | 
| THREAD SERIES | UNJF |