| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 20 |
| THREAD SERIES DESIGNATOR | UNJF |
| TIP DIAMETER | 0.3294 INCHES NOMINAL |
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 1.911 INCHES MINIMUM AND 1.936 INCHES MAXIMUM |
| GRIP LENGTH | 1.426 INCHES NOMINAL |
| HEAD STYLE | FLUSH COUNTERSUNK |
| HEAD MAJOR DIAMETER | 0.998 INCHES MINIMUM AND 1.087 INCHES MAXIMUM |
| LUBRICATION | CETYL ALCOHOL AND DRY FILM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | TITANIUM ALLOY OVERALL |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD SIZE | 0.500 INCHES |
| SHANK DIAMETER | 0.3547 INCHES NOMINAL |
| SHANK STYLE | PIN-RIVET, TAPERED, THREADED |