| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.035 INCHES NOMINAL FIRST HOLE |
| FASTENER LENGTH | 2.155 INCHES NOMINAL |
| HEAD HEIGHT | 0.160 INCHES NOMINAL |
| HEAD STYLE | CROWNED HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 COND E4 OR COND C4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4140 OVERALL |
| MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.312 INCHES |
| SHOULDER DIAMETER | 0.498 INCHES MINIMUM AND 0.499 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER LENGTH | 1.770 INCHES NOMINAL FIRST SHOULDER |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE |
| SPECIAL FEATURES | COAT TOP AND SIDES OF HEAD WITH ONE COAT EPOXY PRIMER PER MIL-P-23377 AND TWO COATS URETHANE MIL-C-83286 COLOR NO. 17875 WHITE |
| WIDTH BETWEEN FLATS | 0.740 INCHES MINIMUM AND 0.752 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 1 FED SPEC 1ST TREATMENT RESPONSE GRIP |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC 2ND TREATMENT RESPONSE THREADS |
| SURFACE TREATMENT | CADMIUM HEAD |
| SURFACE TREATMENT | CADMIUM THREADS |
| SURFACE TREATMENT | CHROMIUM GRIP |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.385 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |