| WIDTH BETWEEN FLATS | 0.1582 INCHES MINIMUM AND 0.1617 INCHES MAXIMUM |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES DESIGNATOR | UNJF |
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| FASTENER LENGTH | 2.660 INCHES MINIMUM AND 2.680 INCHES MAXIMUM |
| GRIP LENGTH | 2.120 INCHES MINIMUM AND 2.130 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.7556 INCHES MINIMUM AND 0.7604 INCHES MAXIMUM |
| HEAD STYLE | FLUSH COUNTERSUNK |
| IDENTIFICATION CODE COLOR | BLACK |
| LUBRICATION | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | TITANIUM ALLOY UNS R56400 OVERALL |
| MINIMUM TENSILE STRENGTH | 14000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD SIZE | 0.375 INCHES |
| SHANK DIAMETER | 0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| SPECIAL FEATURES | GRIT BLAST TOP OF HEAD, WITH COLOR LIGHT BLUE ON THREAD END. |
| SPECIFICATION/STANDARD DATA | 73197-HLT453 MANUFACTURERS STANDARD |