| BEARING SURFACE TYPE | CHAMFEREDCHAMFERED |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGNPREVAILING TORQUE ALL METAL DESIGN |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE J995 INTERNATIONAL STD/SPEC 4TH MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| NOMINAL THREAD SIZE | 0.375 INCHES0.375 INCHES |
| NUT HEIGHT | 0.320 INCHES MINIMUM AND 0.320 INCHES MINIMUM AND 0.415 INCHES MAXIMUM0.415 INCHES MAXIMUM |
| NUT STYLE | HEXAGONHEXAGON |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NUT,LOCK 3/8-16 UNCNUT,LOCK 3/8-16 UNC |
| SPECIAL FEATURES | COLOR BLACK,CHIP NO. 37030 OF AMS-STD-595COLOR BLACK,CHIP NO. 37030 OF AMS-STD-595 |
| WIDTH ACROSS FLATS | 0.551 INCHES MINIMUM AND 0.551 INCHES MINIMUM AND 0.564 INCHES MAXIMUM0.564 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | 19207-12424710,METHOD 4 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE AND ZINC AND ALUMINUM OVERALL |
| THREAD CLASS | 2B2B |
| THREAD DIRECTION | RIGHT-HANDRIGHT-HAND |
| THREAD QUANTITY PER INCH | 1616 |
| THREAD SERIES | UNIFIED NATIONAL COARSE (UNC)UNIFIED NATIONAL COARSE (UNC) |