| DISTANCE FROM CENTERLINE TO FLAT | 0.3645 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM |
| FASTENER LENGTH | 1.397 INCHES MINIMUM AND 1.437 INCHES MAXIMUM |
| HEAD DIAMETER | 0.729 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| HEAD HEIGHT | 0.302 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| HEAD STYLE | DEE CHAMFER |
| INTERNAL DRIVE STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | UNABLE TO DECODE |
| MATERIAL | UNABLE TO DECODE |
| MINIMUM TENSILE STRENGTH | 9310 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.3750 INCHES |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, SHOULDER, SOCKET HEAD, HEXAGON, ALLOY STEEL |
| SPECIAL FEATURES | DOUBLE SHEAR STRENGTH: 32,450 LB/MIN |
| WIDTH ACROSS FLATS | 0.250 INCHES NOMINAL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | UNABLE TO DECODE |
| SURFACE TREATMENT | UNABLE TO DECODE |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.595 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 16 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |