| FASTENER LENGTH | 1.6825 INCHES MINIMUM AND 1.6925 INCHES MAXIMUM |
| GRIP LENGTH | 1.4325 INCHES MINIMUM AND 1.4425 INCHES MAXIMUM |
| HEAD HEIGHT | 0.130 INCHES MINIMUM AND 0.140 INCHES MAXIMUM |
| HEAD STYLE | STRAIGHT PAN |
| HEAD MAJOR DIAMETER | 0.565 INCHES MINIMUM AND 0.600 INCHES MAXIMUM |
| LUBRICATION | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP AND SOLID FILM |
| MATERIAL DOCUMENT AND CLASSIFICATION | |
| MATERIAL | |
| MINIMUM TENSILE STRENGTH | 160000 NEWTONS PER SQUARE MILLIMETER |
| NOMINAL THREAD SIZE | 0.3750 INCHES |
| SHANK DIAMETER | 0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| SHEAR STRENGTH | 21000 DOUBLE POUNDS PER SQUARE INCH |
| SHOULDER DIAMETER | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| SPECIFICATION/STANDARD DATA | 73197-HST12 MANUFACTURERS STANDARD |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| WIDTH BETWEEN FLATS | 0.1582 INCHES MINIMUM AND 0.1617 INCHES MAXIMUM |