| FASTENER LENGTH | 2.250 INCHES MINIMUM AND 2.313 INCHES MAXIMUM |
| FEATURES PROVIDED | FINISHED HEAD |
| HEAD HEIGHT | 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-637 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | COPPER ALLOY 462 OR COPPER ALLOY 464 OR COPPER ALLOY 482 OR COPPER ALLOY 485 OVERALL |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| SPECIFICATION/STANDARD DATA | 80205-NAS467 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2408 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | TIN OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 2.179 INCHES MINIMUM AND 2.313 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES DESIGNATOR | UNF |
| WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM |