| BEARING SURFACE OF HEAD SURFACE TREATMENT | CADMIUM |
| EXTENDED WASHER DIAMETER | 0.413 INCHES MINIMUM AND 0.443 INCHES MAXIMUM |
| EXTENDED WASHER THICKNESS | 0.030 INCHES MINIMUM AND 0.037 INCHES MAXIMUM |
| FASTENER LENGTH | 0.35 INCHES MINIMUM AND 0.38 INCHES MAXIMUM |
| HEAD DIAMETER | 0.343 INCHES MINIMUM AND 0.363 INCHES MAXIMUM |
| HEAD HEIGHT | 0.085 INCHES MINIMUM AND 0.105 INCHES MAXIMUM |
| HEAD STYLE | ROUND EXTENDED WASHER |
| HEAD SURFACE TREATMENT | CADMIUM |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, MACHINE |
| NOMINAL THREAD DIAMETER | 0.1900 INCHES |
| SCREW SURFACE TREATMENT | CADMIUM |
| SCREW MATERIAL | STEEL COMP 4340 OR STEEL COMP 8740 |
| SHANK SURFACE TREATMENT | CADMIUM |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.35 INCHES MINIMUM AND 0.38 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |