| THREAD DIRECTION | RIGHT-HAND |
| MATERIAL | STEEL OVERALL |
| NUT STYLE | HEXAGON |
| LOCKING FEATURE | FREE-RUNNING ALL METAL DESIGN |
| BEARING SURFACE TYPE | CHAMFERED |
| THREAD SERIES | UNC |
| NOMINAL THREAD SIZE | 0.112 INCHES |
| THREAD QUANTITY PER INCH | 40 |
| THREAD CLASS | 2B |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE J995,GR 5 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | ZINC OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633,TYPE II,FE/ZN 8 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | 32.0 ROCKWELL C MAXIMUM |
| NUT HEIGHT | 0.087 INCHES MINIMUM AND |
| 0.163 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 0.241 INCHES MINIMUM AND |
| 0.251 INCHES MAXIMUM |
| TEMP RATING | 250.0 DEG FAHRENHEIT NOMINAL |
| SPECIFICATION/STANDARD DATA | 81349-MIL-DTL-45913/2A GOVERNMENT SPECIFICATION |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NUT,SELF-LOCKING,HEXAGON,ALL-METAL LOCKING FEATURE UNC/UNF-2B |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 81349 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | M45913/2-04CG5Z |