| THREAD DIRECTION | RIGHT-HAND |
| MATERIAL | STEEL COMP 303 OVERALL |
| NUT STYLE | HEXAGON |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| BEARING SURFACE TYPE | CHAMFERED |
| THREAD SERIES | UNC |
| NOMINAL THREAD SIZE | 0.750 INCHES |
| THREAD QUANTITY PER INCH | 10 |
| THREAD CLASS | 2B |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM F594, GRP 1 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | OXIDE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-DTL-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| NUT HEIGHT | 0.617 INCHES MINIMUM AND |
| 0.827 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 1.088 INCHES MINIMUM AND |
| 1.127 INCHES MAXIMUM |
| TEMP RATING | 250.0 DEG FAHRENHEIT MAXIMUM |
| BEARING SURFACE FINISH | 125.0 MICROINCHES |
| SPECIFICATION/STANDARD DATA | 81349-MIL-DTL-45913/2 GOVERNMENT SPECIFICATION |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NUT, SELF-LOCKING, HEXAGON ALL-METAL LOCKING FEATURE |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 81349 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MIL-DTL-45913/2A |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | M45913/2-12CS3B |