| FASTENER LENGTH | 1.8400 INCHES MINIMUM AND 1.8600 INCHES MAXIMUM |
| GRIP LENGTH | 1.245 INCHES MINIMUM AND 1.255 INCHES MAXIMUM |
| HEAD HEIGHT | 0.178 INCHES MINIMUM AND 0.188 INCHES MAXIMUM |
| HEAD STYLE | STRAIGHT PAN |
| HEAD MAJOR DIAMETER | 0.735 INCHES MINIMUM AND 0.770 INCHES MAXIMUM |
| LUBRICATION | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP AND SOLID FILM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS4967 ASSN STD 1ST MATERIAL RESPONSE OR AMS4928 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| MATERIAL | TITANIUM ALLOY OR TITANIUM ALLOY UNS R56400 OVERALL |
| MINIMUM TENSILE STRENGTH | 160000 NEWTONS PER SQUARE MILLIMETER |
| NOMINAL THREAD SIZE | 0.5000 INCHES |
| SHANK DIAMETER | 0.4985 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| SHEAR STRENGTH | 37300 DOUBLE POUNDS PER SQUARE INCH |
| SPECIFICATION/STANDARD DATA | 73197-HST12 MANUFACTURERS STANDARD |
| WIDTH BETWEEN FLATS | 0.2207 INCHES MINIMUM AND 0.2242 INCHES MAXIMUM |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 20 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |