| FASTENER LENGTH | 4.880 INCHES NOMINAL |
| HEAD HEIGHT | 0.300 INCHES NOMINAL |
| HEAD STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 304 OVERALL |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| PRIMARY WASHER MATERIAL THICKNESS | 0.069 INCHES NOMINAL |
| PRIMARY WASHER OUTSIDE DIAMETER | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| PRIMARY WASHER STYLE | FINISHING |
| WASHER QUANTITY | 1 |
| WIDTH BETWEEN FLATS | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | +86112,CL 2 CAGEC 04939 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.560 INCHES NOMINAL |
| THREAD SERIES DESIGNATOR | UNJF |
| THREAD QUANTITY PER INCH | 28 |