| EXTENDED WASHER DIAMETER | 0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM |
| EXTENDED WASHER THICKNESS | 0.030 INCHES MINIMUM AND 0.050 INCHES MAXIMUM |
| FASTENER LENGTH | 0.595 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |
| HEAD HEIGHT | 0.172 INCHES MINIMUM AND 0.190 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON EXTENDED WASHER |
| INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| NONMACHINE NOMINAL THREAD DIAMETER | 0.250 INCHES |
| NONMACHINE THREAD STYLE | BLUNT (SF) OR BLUNT (TYPE SW) OR BLUNT (TYPE TT) |
| WIDTH BETWEEN FLATS | 0.367 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |