| EXTENDED WASHER DIAMETER | 0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM |
| EXTENDED WASHER THICKNESS | 0.013 INCHES MINIMUM AND 0.019 INCHES MAXIMUM |
| FASTENER LENGTH | 0.593 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |
| HEAD DIAMETER | 0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM |
| HEAD HEIGHT | 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM |
| HEAD STYLE | UNDERCUT PAN NO. 2 |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE II |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW ASSEMBLY |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| NOMINAL THREAD DIAMETER | 0.164 INCHES |
| PRIMARY WASHER MATERIAL THICKNESS | 0.109 INCHES NOMINAL |
| PRIMARY WASHER OUTSIDE DIAMETER | 0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM |
| PRIMARY WASHER STYLE | FLAT |
| SECONDARY WASHER MATERIAL THICKNESS | 0.109 INCHES NOMINAL |
| SECONDARY WASHER OUTSIDE DIAMETER | 0.296 INCHES NOMINAL |
| SECONDARY WASHER STYLE | SPLIT HELICAL RING |
| SECONDARY WASHER RELATIONSHIP TO PRIMARY WASHER | NOT IDENTICAL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.484 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| WASHER QUANTITY | 2 |