| FASTENER LENGTH | 0.593 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |
| HEAD DIAMETER | 0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM |
| HEAD HEIGHT | 0.433 INCHES MINIMUM AND 0.453 INCHES MAXIMUM |
| HEAD STYLE | PAN NO. 2 |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE III |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS-QQ-S-763A CLASS 302 CONDITION B ASSN STD SINGLE MATERIAL RESPONSE PRIMARY WASHER |
| MATERIAL DOCUMENT AND CLASSIFICATION | NAS-35338 ASSN STD SINGLE MATERIAL RESPONSE SECONDARY WASHER |
| MATERIAL DOCUMENT AND CLASSIFICATION | MS51957 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| MATERIAL | STEEL CORROSION RESISTING PRIMARY WASHER |
| MATERIAL | STEEL CORROSION RESISTING SECONDARY WASHER |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, PAN HEAD, ASSEMBLED WASHERS, STANDARD SHOULDER WASHER |
| PRIMARY WASHER OUTSIDE DIAMETER | 0.337 INCHES NOMINAL |
| PRIMARY WASHER STYLE | SPLIT HELICAL RING |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| SECONDARY WASHER STYLE | FLAT |
| SECONDARY WASHER RELATIONSHIP TO PRIMARY WASHER | NOT IDENTICAL |
| SECONDARY WASHER MATERIAL THICKNESS | 0.029 INCHES MINIMUM AND 0.035 INCHES MAXIMUM |
| WASHER QUANTITY | 2 |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS-QQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE SECONDARY WASHER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS-QQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS-QQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE PRIMARY WASHER |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| SURFACE TREATMENT | PASSIVATE PRIMARY WASHER |
| SURFACE TREATMENT | PASSIVATE SECONDARY WASHER |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.593 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNF |