| COLOR | BLACK |
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 1.188 INCHES MINIMUM AND 1.250 INCHES MAXIMUM |
| HEAD DIAMETER | 0.333 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
| HEAD STYLE | FLAT COUNTERSUNK |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | FLAT HEAD SCREW |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| NONDEFINITIVE SPEC/STD DATA | 3 TYPE AND 3C STYLE |
| SCREW MATERIAL | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924,CL4 MIL SPEC SINGLE TREATMENT RESPONSE |
| SCREW SURFACE TREATMENT | OXIDE |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.043 INCHES MINIMUM AND 1.167 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNF |