| FASTENER LENGTH | 0.250 INCHES NOMINAL |
| HEAD DIAMETER | 0.033 INCHES MINIMUM AND 0.039 INCHES MAXIMUM |
| HEAD HEIGHT | 0.075 INCHES MINIMUM AND 0.085 INCHES MAXIMUM |
| HEAD STYLE | ROUND |
| INTERNAL DRIVE STYLE | SLOT |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE FASTENER |
| MATERIAL | COPPER ALLOY PRIMARY WASHER |
| MATERIAL | COPPER ALLOY 360 FASTENER |
| MINIMUM YIELD STRENGTH | 25000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.112 INCHES |
| PRIMARY WASHER STYLE | SPLIT HELICAL RING |
| PRIMARY WASHER MATERIAL THICKNESS | 0.031 INCHES NOMINAL |
| PRIMARY WASHER OUTSIDE DIAMETER | 0.033 INCHES NOMINAL |
| WASHER QUANTITY | 1 |
| THREAD LENGTH | 0.188 INCHES MINIMUM |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 48 |
| THREAD SERIES DESIGNATOR | UNF |