| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.610 INCHES NOMINAL |
| FASTENER LENGTH | 0.718 INCHES MINIMUM AND |
| 0.750 INCHES MAXIMUM |
| MATERIAL | STEEL CORROSION RESISTING SECONDARY WASHER |
| STEEL CORROSION RESISTING PRIMARY WASHER |
| STEEL CORROSION RESISTING FASTENER |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS-QQ-S-763, CLASS 302. COND B ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS-QQ-S-763, CLASS 304. COND A ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS-QQ-S-763, CLASS 384. COND A ASSN STD SINGLE MATERIAL RESPONSE SECONDARY WASHER |
| NASM35338 ASSN STD SINGLE MATERIAL RESPONSE PRIMARY WASHER |
| QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE FASTENER |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS-QQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| HEAD STYLE | PAN |
| HEAD DIAMETER | 0.357 INCHES MINIMUM AND |
| 0.373 INCHES MAXIMUM |
| HEAD HEIGHT | 0.122 INCHES MINIMUM AND |
| 0.132 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| WASHER QUANTITY | 2 |
| PRIMARY WASHER STYLE | SPLIT HELICAL RING |
| PRIMARY WASHER OUTSIDE DIAMETER | 0.337 INCHES MAXIMUM |
| PRIMARY WASHER MATERIAL THICKNESS | 0.047 INCHES NOMINAL |
| SECONDARY WASHER RELATIONSHIP TO PRIMARY WASHER | NOT IDENTICAL |
| SECONDARY WASHER STYLE | FLAT |
| SECONDARY WASHER OUTSIDE DIAMETER | 0.433 INCHES MINIMUM AND |
| 0.453 INCHES MAXIMUM |
| SECONDARY WASHER MATERIAL THICKNESS | 0.029 INCHES MINIMUM AND |
| 0.035 INCHES MAXIMUM |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, PAN HEAD, ASSEMBLED WASHERS, STANDARD SHOULDER WASHER |