| EXTENDED WASHER DIAMETER | 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM |
| EXTENDED WASHER THICKNESS | 0.090 INCHES MINIMUM |
| FASTENER LENGTH | 1.520 INCHES MINIMUM AND 1.540 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 OVERALL |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| SHOULDER DIAMETER | 0.390 INCHES MINIMUM AND 0.391 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER LENGTH | 0.590 INCHES MINIMUM AND 0.610 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| WIDTH BETWEEN FLATS | 0.438 INCHES NOMINAL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.910 INCHES MINIMUM AND 0.950 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |