| BEARING SURFACE TYPE | CHAMFERED OR FLAT |
| HARDNESS RATING | 35.0 ROCKWELL C MAXIMUM |
| INSIDE WIDTH ACROSS FLATS | 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM F594,GROUP 1 MATERIALS ASSN STD ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 384 OVERALL |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | STAINLESS STEEL NUT;NUT,HEX,JAM |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD SIZE | 0.375 INCHES |
| NUT HEIGHT | 0.320 INCHES MINIMUM AND 0.337 INCHES MAXIMUM |
| NUT STYLE | HEXAGON |
| WIDTH ACROSS FLATS | 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM F594,ANNEALED AND COLD WORKED ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| THREAD CLASS | 2B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 16 |
| THREAD SERIES | UNC |