| COLLAR STYLE | THREADED BREAK OFF TYPE |
| COLLAR INSIDE DIAMETER | 0.376 INCHES MINIMUM AND 0.388 INCHES MAXIMUM |
| COLLAR OUTSIDE DIAMETER | 0.622 INCHES MINIMUM AND 0.628 INCHES MAXIMUM |
| COLLAR OVERALL HEIGHT | 0.724 INCHES MINIMUM AND 0.744 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 90.0 DEGREES NOMINAL |
| FASTENER LENGTH | 1.233 INCHES NOMINAL |
| GRIP LENGTH | 0.688 INCHES NOMINAL |
| HEAD MAJOR DIAMETER | 0.530 INCHES MINIMUM AND 0.565 INCHES MAXIMUM |
| HEAD STYLE | FLUSH COUNTERSUNK |
| LUBRICATION | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| MATERIAL | STEEL BODY |
| MATERIAL | STEEL WASHER |
| MATERIAL | STEEL CORROSION RESISTING COLLAR |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD SIZE | 0.375 INCHES |
| SHANK DIAMETER | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| SPECIAL FEATURES | SUPPLIED W/COLLAR AND WASHER |
| WIDTH BETWEEN FLATS | 0.197 INCHES MINIMUM AND 0.217 INCHES MAXIMUM |
| SURFACE TREATMENT | CADMIUM COLLAR |
| SURFACE TREATMENT | CADMIUM BODY |
| SURFACE TREATMENT | CADMIUM WASHER |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES DESIGNATOR | UNJF |
| THREAD QUANTITY PER INCH | 24 |