| MATERIAL DOCUMENT AND CLASSIFICATION | SAE J429, GRADE 8 ASSN STD SINGLE MATERIAL RESPONSE AND NSI/ASMEB18.2.1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | NUT, SELF-LOCKING |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD SIZE | 0.500 INCHES |
| NUT STYLE | HEXAGON |
| OVERALL HEIGHT | 0.437 INCHES MINIMUM AND 0.458 INCHES MAXIMUM |
| SPECIAL FEATURES | BEARING SURFACE TYPE- CHAMFERED |
| WASHER OUTSIDE DIAMETER | 1.000 INCHES MINIMUM AND 1.031 INCHES MAXIMUM |
| WASHER THICKNESS | 0.437 INCHES MINIMUM AND 0.458 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-87115 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ZINC AND CHROMATE OVERALL |
| THREAD CLASS | 2B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 13 |
| THREAD SERIES | UNC |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |