| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| OVERALL HEIGHT | 0.347 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE J995 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| NOMINAL THREAD SIZE | 0.380 INCHES |
| NUT STYLE | HEXAGON |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NUT, FLANGE, HEX SPIRALOCK G8 |
| SPECIAL FEATURES | MATERIAL GRADE 8 CARBON STEEL |
| WASHER OUTSIDE DIAMETER | 0.750 INCHES MAXIMUM |
| WASHER THICKNESS | 0.060 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 0.562 INCHES NOMINAL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | 12424710 METHOD 4 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 16 |
| THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |