| DRIVE POINT QUANTITY | 12 |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| OVERALL HEIGHT | 0.360 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5662 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5663 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| MATERIAL | NICKEL ALLOY 718 OVERALL |
| NOMINAL THREAD SIZE | 0.312 INCHES |
| NUT STYLE | SPLINE DRIVE |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NUT,SELF-LOCKING,AIRCRAFT |
| WASHER OUTSIDE DIAMETER | 0.522 INCHES MINIMUM AND 0.563 INCHES MAXIMUM |
| WASHER THICKNESS | 0.038 INCHES MINIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TYPE 11, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| TEMP RATING | 450.0 FAHRENHEIT MAXIMUM |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |