| HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM |
| OVERALL HEIGHT | 0.220 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD SINGLE MATERIAL RESPONSE WASHER |
| MATERIAL DOCUMENT AND CLASSIFICATION | GM-284M,FSCM 11862 MFR REF SINGLE MATERIAL RESPONSE NUT |
| MATERIAL | STEEL COMP 1050 OR STEEL COMP 1551 OR STEEL COMP 1552 OR STEEL COMP 1053 OR STEEL COMP 1055 OR STEEL COMP 1059 OR STEEL COMP 1060 OR STEEL COMP 1561 OR STEEL COMP 1064 OR STEEL COMP 1065 OR STEEL COMP 1566 WASHER |
| MATERIAL | STEEL NUT |
| NOMINAL THREAD SIZE | 0.216 INCHES |
| NUT HEIGHT | 0.148 INCHES MINIMUM AND 0.161 INCHES MAXIMUM |
| NUT STYLE | EXTERNAL TOOTH |
| SPECIAL FEATURES | HARDNESS FOR WASHER |
| WASHER OUTSIDE DIAMETER | 0.494 INCHES MINIMUM AND 0.506 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 0.423 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | GM-4342M CODE 20U32 FSCM 11862 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ZINC OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 2B |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES | UNC |