| DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY SURFACE TREATMENTAS MODIFIED BY SURFACE TREATMENT |
| FASTENER LENGTH | 3.000 INCHES NOMINAL3.000 INCHES NOMINAL |
| HEAD DIAMETER | 0.429 INCHES MINIMUM AND 0.429 INCHES MINIMUM AND 0.457 INCHES MAXIMUM0.457 INCHES MAXIMUM |
| HEAD HEIGHT | 0.155 INCHES MINIMUM AND 0.155 INCHES MINIMUM AND 0.170 INCHES MAXIMUM0.170 INCHES MAXIMUM |
| HEAD STYLE | ROUNDROUND |
| INTERNAL DRIVE STYLE | SLOTSLOT |
| MATERIAL | STEEL OVERALL |
| NONMACHINE NOMINAL THREAD DIAMETER | 0.242 INCHES0.242 INCHES |
| SURFACE TREATMENT | CADMIUM AND CADMIUM AND CHROMATE OR CHROMATE OR ZINC AND ZINC AND CHROMATE OVERALLCHROMATE OVERALL |