| BEARING SURFACE TYPE | FLAT |
| HARDNESS RATING | 28.0 ROCKWELL C MAXIMUM |
| LOCKING FEATURE | NYLON INSERT |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NUTS, NYLON INSERT LOCKNUT |
| MATERIAL DOCUMENT AND CLASSIFICATION | UNABLE TO DECODE |
| MATERIAL | UNABLE TO DECODE |
| NOMINAL THREAD SIZE | 0.375 INCHES |
| NUT HEIGHT | 0.438 INCHES MINIMUM AND 0.468 INCHES MAXIMUM |
| NUT STYLE | HEXAGON |
| SPECIFICATION/STANDARD DATA | 05047-ASME B18.24-2023 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | UNABLE TO DECODE |
| SURFACE TREATMENT | UNABLE TO DECODE |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |
| THREAD QUANTITY PER INCH | 16 |
| WIDTH ACROSS FLATS | 0.551 INCHES MINIMUM AND 0.564 INCHES MAXIMUM |