| THREAD DIRECTION | RIGHT-HAND |
| FASTENER LENGTH | 3.559 INCHES MINIMUM AND |
| 3.579 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 4140 OR |
| STEEL COMP E4340 OR |
| STEEL COMP 6150 OR |
| STEEL COMP 8735 OR |
| STEEL COMP 8740 OVERALL |
| THREAD LENGTH | 1.194 INCHES MAXIMUM |
| HEAD STYLE | DOUBLE HEXAGON W/HOLE |
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.875 INCHES |
| THREAD QUANTITY PER INCH | 14 |
| THREAD CLASS | 3A |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR |
| MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR |
| MIL-S-8503 MIL SPEC 3RD MATERIAL RESPONSE OR |
| MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR |
| MIL-S-6049 MIL SPEC 5TH MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HEAD HEIGHT | 0.798 INCHES MINIMUM AND |
| 0.818 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.934 INCHES MINIMUM AND |
| 0.943 INCHES MAXIMUM |
| EXTENDED WASHER DIAMETER | 1.428 INCHES MINIMUM AND |
| 1.438 INCHES MAXIMUM |
| EXTENDED WASHER THICKNESS | 0.188 INCHES MINIMUM AND |
| 0.208 INCHES MAXIMUM |
| GRIP LENGTH | 2.365 INCHES MINIMUM AND |
| 2.385 INCHES MAXIMUM |
| SURFACE FINISH | 90.0 MICROINCHES HEAD |
| 32.0 MICROINCHES GRIP |
| 90.0 MICROINCHES THREADS |
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 3.359 INCHES MINIMUM AND |
| 3.379 INCHES MAXIMUM FIRST HOLE |
| SHANK UNTHREADED HOLE DIAMETER | 0.125 INCHES NOMINAL FIRST HOLE |
| FEATURES PROVIDED | FINISHED HEAD |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 78286 |
| DESIGN CONTROL REFERENCE | S6110-21070 |