| EXTENDED WASHER DIAMETER | 2.303 INCHES MINIMUM AND 2.303 INCHES MINIMUM AND 2.313 INCHES MAXIMUM2.313 INCHES MAXIMUM |
| EXTENDED WASHER THICKNESS | 0.264 INCHES MINIMUM AND 0.264 INCHES MINIMUM AND 0.284 INCHES MAXIMUM0.284 INCHES MAXIMUM |
| FASTENER LENGTH | 3.180 INCHES MINIMUM AND 3.180 INCHES MINIMUM AND 3.200 INCHES MAXIMUM3.200 INCHES MAXIMUM |
| GRIP DIAMETER | 1.3725 INCHES MINIMUM AND 1.3725 INCHES MINIMUM AND 1.3740 INCHES MAXIMUM1.3740 INCHES MAXIMUM |
| GRIP LENGTH | 1.365 INCHES MINIMUM AND 1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM1.385 INCHES MAXIMUM |
| HARDNESS RATING | 46.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL50.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD HEIGHT | 1.256 INCHES MINIMUM AND 1.256 INCHES MINIMUM AND 1.276 INCHES MAXIMUM1.276 INCHES MAXIMUM |
| HEAD STYLE | DOUBLE HEXAGON W/HOLEDOUBLE HEXAGON W/HOLE |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALLAMS6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP H11 OVERALLSTEEL COMP H11 OVERALL |
| MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH220000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 1.375 INCHES1.375 INCHES |
| SINGLE SHEAR STRENGTH | 132000 POUNDS PER SQUARE INCH (PSI)132000 POUNDS PER SQUARE INCH (PSI) |
| THREAD QUANTITY PER INCH | 1212 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF)UNIFIED NATIONAL JOINT FINE (UNJF) |
| WIDTH BETWEEN FLATS | 1.427 INCHES MINIMUM AND 1.427 INCHES MINIMUM AND 1.440 INCHES MAXIMUM1.440 INCHES MAXIMUM |
| SURFACE TREATMENT | CADMIUM OVERALLCADMIUM OVERALL |
| THREAD CLASS | 3A3A |
| THREAD DIRECTION | RIGHT-HANDRIGHT-HAND |
| THREAD LENGTH | 1.805 INCHES MINIMUM AND 1.805 INCHES MINIMUM AND 1.825 INCHES MAXIMUM1.825 INCHES MAXIMUM |