| COUNTERSINK ANGLE | 155.0 DEGREES MINIMUM AND 157.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 2.8650 INCHES MINIMUM AND 2.8850 INCHES MAXIMUM |
| GRIP LENGTH | 2.3700 INCHES MINIMUM AND 2.3800 INCHES MAXIMUM |
| HEAD HEIGHT | 0.0800 INCHES MINIMUM AND 0.0840 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.8670 INCHES MINIMUM AND 0.9010 INCHES MAXIMUM |
| HEAD STYLE | COOPER'S |
| LUBRICATION | CETYL ALCOHOL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | TITANIUM ALLOY UNS R56400 OVERALL |
| MINIMUM TENSILE STRENGTH | 95000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD SIZE | 0.3125 INCHES |
| SHANK DIAMETER | 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| WIDTH BETWEEN FLATS | 0.1270 INCHES MINIMUM AND 0.1290 INCHES MAXIMUM |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES DESIGNATOR | UNJF |
| THREAD QUANTITY PER INCH | 24 |