| BEARING SURFACE TYPE | FLAT OR CHAMFERED |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE J2295 OR ASTM F467 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | COPPER ALLOY 462 OVERALL |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | NUT,HEAVY HEX;NUT,HEX JAM |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD SIZE | 0.375 INCHES |
| NUT HEIGHT | 0.216 INCHES MINIMUM AND 0.252 INCHES MAXIMUM |
| NUT STYLE | HEXAGON |
| SPECIFICATION/STANDARD DATA | 81343-SAE J2295 NATIONAL STD/SPEC AND 81346-ASTM F467 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| WIDTH ACROSS FLATS | 0.669 INCHES MINIMUM AND 0.688 INCHES MAXIMUM |
| THREAD CLASS | 2B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 16 |
| THREAD SERIES | UNC |