| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| FASTENER LENGTH | 1.480 INCHES MINIMUM AND 1.500 INCHES MAXIMUM |
| GRIP LENGTH | 0.745 INCHES MINIMUM AND 0.760 INCHES MAXIMUM |
| HEAD STYLE | FLUSH COUNTERSUNK |
| HEAD MAJOR DIAMETER | 0.779 INCHES MINIMUM AND 0.785 INCHES MAXIMUM |
| LUBRICATION | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| NOMINAL THREAD SIZE | 0.500 INCHES |
| SHANK DIAMETER | 0.530 INCHES MINIMUM AND 0.531 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| SHEAR STRENGTH | 42000 DOUBLE POUNDS PER SQUARE INCH |
| SPECIFICATION/STANDARD DATA | 73197-HLT209 MANUFACTURERS STANDARD |
| WIDTH BETWEEN FLATS | 0.221 INCHES MINIMUM AND 0.224 INCHES MAXIMUM |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 20 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |