| BEARING SURFACE FINISH | 125.0 MICROINCHES |
| BEARING SURFACE TYPE | CHAMFERED |
| HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| LUBRICATION | SOLUBLE LUBRICANT |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6280 ASSN STD 1ST MATERIAL RESPONSE OR AMS 6300 ASSN STD 2ND MATERIAL RESPONSE OR AMS 6304JGEAMS 6322 ASSN STD 3RD MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 8630 OR STEEL COMP 4037 OR STEEL COMP 601 OR STEEL COMP 8740 OVERALL |
| NOMINAL THREAD SIZE | 0.375 INCHES |
| NUT HEIGHT | 0.294 INCHES MAXIMUM |
| NUT STYLE | DOUBLE HEXAGON |
| WIDTH ACROSS FLATS | 0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| TEMP RATING | -65.0 FAHRENHEIT MINIMUM AND 450.0 FAHRENHEIT MAXIMUM |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 3B |
| THREAD SERIES | UNJF |
| THREAD QUANTITY PER INCH | 24 |