| EXTENDED WASHER DIAMETER | 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM |
| EXTENDED WASHER THICKNESS | 0.090 INCHES MINIMUM |
| FASTENER LENGTH | 2.156 INCHES MINIMUM AND 2.176 INCHES MAXIMUM |
| HEAD HEIGHT | 0.373 INCHES MINIMUM AND 0.393 INCHES MAXIMUM |
| HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER |
| MATERIAL DOCUMENT AND CLASSIFICATION | C50TF13 CL-B,FSCM 07482 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | NICKEL ALLOY 718 OVERALL |
| NOMINAL THREAD DIAMETER | 0.312 INCHES |
| SHOULDER DIAMETER | 0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| SHOULDER LENGTH | 1.370 INCHES MINIMUM AND 1.380 INCHES MAXIMUM FIRST SHOULDER |
| WIDTH BETWEEN FLATS | 0.437 INCHES NOMINAL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.776 INCHES MINIMUM AND 0.806 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |