| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 0.848 INCHES MINIMUM AND 0.878 INCHES MAXIMUM |
| GRIP DIAMETER | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| GRIP LENGTH | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM |
| HEAD DIAMETER | 0.464 INCHES MINIMUM AND 0.506 INCHES MAXIMUM |
| HEAD HEIGHT | 0.111 INCHES NOMINAL |
| HEAD STYLE | OVAL COUNTERSUNK UNDERCUT |
| INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS4928 ASSN STD SINGLE MATERIAL RESPONSE AND AMS4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | TITANIUM ALLOY UNS R56400 OVERALL |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| SPECIFICATION/STANDARD DATA | 80205-NAS1790 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SURFACE TREATMENT | ALUMINUM OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.425 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |