| Bolt Compatibility, Material Grade/Class | Grade 2 |
| Dia./Thread Size, Thread Size | 2-1/4"-12 |
| Dimensional Standards | ASME B18.16.6 |
| Finish | Black Oxide |
| Hex Height | 2 1/16 in |
| Hex Type | Heavy Hex |
| Hex Width, Width Across Flats | 3 1/2 in |
| Insert Material | Nylon |
| Item | Lock Nut |
| Lock Type | Nylon Insert |
| Locknut Series | NU - Heavy Lock Nut |
| Material, Material Type | Steel |
| Maximum Temperature | 250 Degrees F |
| Nut Height | 2 13/16 in |
| Pack Size | Small Pack |
| Resistance Properties | Chemical Resistant, Impact Resistant, Temperature Resistant, Vibration Resistant |
| Rockwell Hardness | C32 Max |
| Standards | ASME B18.16.6; IFI-100/107 |
| System of Measurement | Inch |
| Thread Direction | Right Hand |
| Thread Size | 2 1/4"-12 |
| Thread Type | Fine, UNF |