| FASTENER LENGTH | 1.187 INCHES MINIMUM AND 1.234 INCHES MAXIMUM |
| FEATURES PROVIDED | FINISHED HEAD |
| GRIP LENGTH | 0.546 INCHES MINIMUM AND 0.578 INCHES MAXIMUM |
| HEAD HEIGHT | 0.203 INCHES MINIMUM AND 0.235 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-18732 MIL SPEC SINGLE MATERIAL RESPONSE FASTENER |
| MATERIAL | STEEL COMP 431 FASTENER |
| MATERIAL | STEEL COMP 4130 STAND-OFF |
| MATERIAL | STEEL CORROSION RESISTING PRIMARY WASHER |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| SPECIAL FEATURES | FURNISHED WITH TAB ALUMINUM ALLOY ALCLAD 2024 TEMPER T4 AND FURNISHED WITH CORROSION RESISTING STEEL SPACER AND WASHER |
| SURFACE TREATMENT | PASSIVATE FASTENER |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.609 INCHES MINIMUM AND 0.688 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNF |
| WIDTH BETWEEN FLATS | 0.553 INCHES MINIMUM AND 0.565 INCHES MAXIMUM |