| EXTENDED WASHER DIAMETER | 1.615 INCHES MINIMUM AND 1.625 INCHES MAXIMUM |
| EXTENDED WASHER THICKNESS | 0.212 INCHES MINIMUM AND 0.232 INCHES MAXIMUM |
| FASTENER LENGTH | 5.179 INCHES MINIMUM AND 5.209 INCHES MAXIMUM |
| GRIP DIAMETER | 0.9980 INCHES MINIMUM AND 0.9990 INCHES MAXIMUM |
| GRIP LENGTH | 3.802 INCHES MINIMUM AND 3.822 INCHES MAXIMUM |
| HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD HEIGHT | 0.913 INCHES MINIMUM AND 0.933 INCHES MAXIMUM |
| HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER |
| MATERIAL | STEEL COMP E4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 6150 OVERALL |
| MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 1.000 INCHES |
| SPECIFICATION/STANDARD DATA | 80205-NAS636 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| SURFACE FINISH | 32.0 MICROINCHES GRIP |
| SURFACE FINISH | 32.0 MICROINCHES THREADS |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.357 INCHES MINIMUM AND 1.407 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| THREAD QUANTITY PER INCH | 14 |
| WIDTH BETWEEN FLATS | 1.056 INCHES MINIMUM AND 1.066 INCHES MAXIMUM |