| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 1.38 INCHES MINIMUM AND 1.40 INCHES MAXIMUM |
| GRIP LENGTH | 0.009 INCHES MINIMUM AND 0.019 INCHES MAXIMUM |
| HEAD HEIGHT | 0.210 INCHES MINIMUM AND 0.218 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 1.49 INCHES MINIMUM AND 1.51 INCHES MAXIMUM |
| HEAD STYLE | COOPER'S |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | 100 DEGREE FLUSH SHEAR HEAD |
| MATERIAL | STEEL OVERALL |
| NOMINAL THREAD SIZE | 1.0 INCHES |
| SHANK DIAMETER | 0.99 INCHES NOMINAL |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| WIDTH BETWEEN FLATS | 0.598 INCHES MINIMUM AND 0.618 INCHES MAXIMUM |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 32 |
| THREAD QUANTITY PER INCH | 13 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |