| EXTENDED WASHER DIAMETER | 0.448 INCHES MINIMUM AND 0.464 INCHES MAXIMUM |
| EXTENDED WASHER THICKNESS | 0.062 INCHES MINIMUM |
| FASTENER LENGTH | 1.00 INCHES NOMINAL |
| HEAD HEIGHT | 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON EXTENDED WASHER |
| INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A320/A320M, GRADE L7 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SEMS, HEX CAP SCREW |
| MATERIAL | STEEL OVERALL |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| PRIMARY WASHER MATERIAL THICKNESS | 0.062 INCHES MINIMUM |
| PRIMARY WASHER OUTSIDE DIAMETER | 0.448 INCHES MINIMUM AND 0.464 INCHES MAXIMUM |
| PRIMARY WASHER STYLE | SPRING TENSION |
| SPECIFICATION/STANDARD DATA | 05047-ASME B18.24-2020 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM FL 135, GRADE 1, CODE A NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ZINC OVERALL |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.00 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 20 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| WASHER QUANTITY | 1 |
| WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |