| EXTENDED WASHER DIAMETER | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM |
| EXTENDED WASHER THICKNESS | 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM |
| FASTENER LENGTH | 0.755 INCHES MINIMUM AND 0.775 INCHES MAXIMUM |
| HEAD HEIGHT | 0.320 INCHES MINIMUM AND 0.340 INCHES MAXIMUM |
| HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER |
| MATERIAL DOCUMENT AND CLASSIFICATION | C50TF13 CL-B FSCM 99207 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | NICKEL ALLOY 718 OVERALL |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| NONSTANDARD THREAD PITCH DIAMETER | +0.2213 TO 0.2238 INCHES |
| SHOULDER DIAMETER | 0.2654 INCHES MINIMUM AND 0.2657 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER LENGTH | 0.200 INCHES MINIMUM AND 0.220 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| WIDTH BETWEEN FLATS | 0.304 INCHES MINIMUM AND 0.313 INCHES MAXIMUM |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.465 INCHES MINIMUM AND 0.525 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES DESIGNATOR | UNS |