| THREAD DIRECTION | RIGHT-HAND |
| MATERIAL | STEEL COMP 8740 OR |
| STEEL COMP 4340 OR |
| STEEL COMP 4130 OVERALL |
| NUT STYLE | HEXAGON |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| BEARING SURFACE TYPE | CHAMFERED |
| THREAD SERIES | UNJF |
| NOMINAL THREAD SIZE | 0.437 INCHES |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 3B |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OR |
| AMS6322 ASSN STD 1ST MATERIAL RESPONSE OR |
| MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR |
| MIL-S-18729 MIL SPEC 3RD MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND |
| 44.0 ROCKWELL C MAXIMUM |
| NUT HEIGHT | 0.330 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 0.679 INCHES MINIMUM AND |
| 0.690 INCHES MAXIMUM |
| LUBRICATION | DRY FILM LUBRICANT |
| TEMP RATING | 450.0 DEG FAHRENHEIT NOMINAL |
| SPECIAL FEATURES | LUBRICATION PER MIL-L-46010 |