| EXTENDED WASHER DIAMETER | 2.115 INCHES MINIMUM AND 2.125 INCHES MAXIMUM |
| EXTENDED WASHER THICKNESS | 0.259 INCHES MINIMUM AND 0.279 INCHES MAXIMUM |
| FASTENER LENGTH | 4.750 INCHES NOMINAL |
| HEAD HEIGHT | 1.145 INCHES MINIMUM AND 1.165 INCHES MAXIMUM |
| HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER |
| MATERIAL DOCUMENT AND CLASSIFICATION | SPS-M-107,56878 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 1.000 INCHES |
| NONSTANDARD THREAD PITCH DIAMETER | +0.9494 TO 0.9536 INCHES |
| SHOULDER DIAMETER | 1.248 INCHES MINIMUM AND 1.249 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER LENGTH | 3.412 INCHES MINIMUM AND 3.422 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| WIDTH BETWEEN FLATS | 1.301 INCHES MINIMUM AND 1.314 INCHES MAXIMUM |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.328 INCHES MINIMUM AND 1.338 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 14 |
| THREAD SERIES DESIGNATOR | UNS |