| COUNTERSINK ANGLE | 45.0 DEGREES NOMINAL |
| FASTENER LENGTH | 1.185 INCHES MINIMUM AND 1.205 INCHES MAXIMUM |
| GRIP LENGTH | 0.870 INCHES MINIMUM AND 0.880 INCHES MAXIMUM |
| HEAD HEIGHT | 0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.415 INCHES MINIMUM AND 0.440 INCHES MAXIMUM |
| HEAD STYLE | COUNTERSUNK W/REVERSE CHAMFER |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS4928 ASSN STD 1ST MATERIAL RESPONSE OR AMS4967 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| MATERIAL | TITANIUM ALLOY OVERALL |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| SHANK DIAMETER | 0.248 INCHES MINIMUM AND 0.249 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| SHEAR STRENGTH | 9300 DOUBLE POUNDS PER SQUARE INCH |
| WIDTH BETWEEN FLATS | 0.094 INCHES MINIMUM AND 0.096 INCHES MAXIMUM |
| SURFACE TREATMENT | ALUMINUM OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES DESIGNATOR | UNJF |