| HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| OVERALL HEIGHT | 0.380 INCHES MINIMUM AND 0.400 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5613 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| NOMINAL THREAD SIZE | 0.312 INCHES |
| NUT STYLE | DOUBLE HEXAGON |
| PRECIOUS MATERIAL | SILVER |
| SPECIAL FEATURES | MATERIAL: STEEL COMP 51410 OVERALL |
| WASHER OUTSIDE DIAMETER | 0.690 INCHES MINIMUM AND 0.710 INCHES MAXIMUM |
| WASHER THICKNESS | 0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | 410,ELASTIC STOP NUT CORP MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | SILVER OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 3B |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES | UNJEF |