| EXTENDED WASHER DIAMETER | 0.375 INCHES NOMINAL |
| EXTENDED WASHER THICKNESS | 0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM |
| FASTENER LENGTH | 2.0 INCHES NOMINAL |
| FEATURES PROVIDED | FINISHED HEAD |
| GRIP LENGTH | 1.310 INCHES MINIMUM AND 1.370 INCHES MAXIMUM |
| HARDNESS RATING | 42.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD HEIGHT | 0.260 INCHES NOMINAL |
| HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER |
| MATERIAL | STEEL COMP 601 OVERALL |
| MINIMUM TENSILE STRENGTH | 195000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| SPECIAL FEATURES | FAA CERTIFIED |
| SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| SURFACE FINISH | 32.0 MICROINCHES GRIP |
| SURFACE FINISH | 32.0 MICROINCHES THREADS |
| SURFACE TREATMENT | NICKEL OR CADMIUM OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.630 INCHES MINIMUM AND 0.690 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| WIDTH BETWEEN FLATS | 0.243 INCHES MINIMUM AND 0.251 INCHES MAXIMUM |