| FASTENER LENGTH | 1.385 INCHES MINIMUM AND 1.405 INCHES MAXIMUM |
| GRIP LENGTH | 0.995 INCHES MINIMUM AND 1.005 INCHES MAXIMUM |
| HEAD HEIGHT | 0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.387 INCHES MINIMUM AND 0.412 INCHES MAXIMUM |
| LUBRICATION | CETYL ALCOHOL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | TITANIUM ALLOY UNS R56400 OVERALL |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| SHANK DIAMETER | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| SHEAR STRENGTH | 93000 DOUBLE POUNDS PER SQUARE INCH |
| WIDTH BETWEEN FLATS | 0.947 INCHES MINIMUM AND 0.967 INCHES MAXIMUM |
| SURFACE TREATMENT | ALUMINUM ALLOY OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES DESIGNATOR | UNF |