| COLOR | BLACK |
| FASTENER LENGTH | 3.156 INCHES MINIMUM AND 3.250 INCHES MAXIMUM |
| HEAD DIAMETER | 0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM |
| HEAD HEIGHT | 0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM |
| HEAD STYLE | PAN |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW MACHINE, AIRCRAFT PAN HEAD |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| SCREW MATERIAL | STEEL COMP 4037 OR STEEL COMP 8630 |
| SCREW SURFACE TREATMENT | CADMIUM AND CHROMATE |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.750 INCHES MINIMUM |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| SPECIAL FEATURES | WITH DULL BLACK CHROMATE TREATMENT |