| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 3.650 INCHES NOMINAL FIRST HOLE |
| CONCENTRIC HOLE DEPTH | 3.000 INCHES NOMINAL |
| CONCENTRIC HOLE DIAMETER | 0.375 INCHES NOMINAL |
| FASTENER LENGTH | 3.790 INCHES NOMINAL |
| HEAD DIAMETER | 1.060 INCHES NOMINAL |
| HEAD HEIGHT | 0.270 INCHES NOMINAL |
| HEAD STYLE | ROUND W/WRENCH FLATS CHAMFERED |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-8844 CL 3 COND E-2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| MINIMUM TENSILE STRENGTH | 280000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.562 INCHES |
| SHANK UNTHREADED HOLE DIAMETER | 0.141 INCHES MINIMUM AND 0.151 INCHES MAXIMUM FIRST HOLE |
| SHOULDER DIAMETER | 0.7490 INCHES MINIMUM AND 0.7495 INCHES MAXIMUM |
| SHOULDER LENGTH | 3.270 INCHES MINIMUM AND 3.280 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.880 INCHES NOMINAL |
| STYLE DESIGNATOR | CONCENTRIC HOLE UNTHREADED |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | STF1139 FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE GRIP |
| SURFACE TREATMENT | CHROMIUM GRIP |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.445 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 18 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |