| NUT STYLE | EXTERNAL TOOTH |
| OVERALL HEIGHT | 0.178 INCHES MINIMUM AND 0.193 INCHES MAXIMUM |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| SPECIAL FEATURES | 7/16 WIDTH ACROSS FLATS;WIDTH ACROSS CORNERS: 0.482 TO 0.505IN;NUT:18-8 STAINLESS STEEL;WASHER:400 SERIES MARTENSITIC SERIES STAINLESS STEEL;THREAD SIZE 20;1/4IN DIAMETER |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | STAINLESS STEEL K-LOCK NUTS (KEPS NUTS) |
| WASHER OUTSIDE DIAMETER | 0.494 INCHES MINIMUM AND 0.506 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 0.423 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |