| COUNTERSINK HEIGHT | 0.0623 INCHES MINIMUM AND 0.0694 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| FASTENER LENGTH | 1.260 INCHES MINIMUM AND 1.280 INCHES MAXIMUM |
| GRIP LENGTH | 0.938 INCHES NOMINAL |
| HEAD HEIGHT | 0.010 INCHES MINIMUM AND 0.015 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.3898 INCHES MINIMUM AND 0.3948 INCHES MAXIMUM |
| HEAD MINOR DIAMETER | 0.375 INCHES MINIMUM AND 0.388 INCHES MAXIMUM |
| HEAD STYLE | FLAT COUNTERSUNK UNDERCUT |
| LUBRICATION | CETYL ALCOHOL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | TITANIUM ALLOY UNS R56400 OVERALL |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | PIN-RIVET |
| SHANK DIAMETER | 0.2648 INCHES MINIMUM AND 0.2651 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| SPECIAL FEATURES | 0.156 OVERSIZE GRIP DIAMETER |
| WIDTH BETWEEN FLATS | 0.095 INCHES MINIMUM AND 0.097 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | HI-SHEAR SPEC.NO.294(HI-KOTE 1 ONLY) MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ALUMINUM OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 3A |
| THREAD SERIES DESIGNATOR | UNJF |
| THREAD QUANTITY PER INCH | 28 |