| FASTENER LENGTH | 1.000 INCHES NOMINAL |
| HEAD DIAMETER | 0.550 INCHES MINIMUM AND 0.563 INCHES MAXIMUM |
| HEAD HEIGHT | 0.360 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| HEAD STYLE | FLAT CHAMFER |
| INTERNAL DRIVE STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OVERALL |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| POINT DIAMETER | 0.275 INCHES NOMINAL |
| POINT LENGTH | 0.300 INCHES NOMINAL |
| POINT STYLE | CHAMFER DOG |
| POINT CHAMFER ANGLE | 45.0 DEGREES NOMINAL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.700 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 16 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| WIDTH ACROSS FLATS | 0.312 INCHES MINIMUM AND 0.316 INCHES MAXIMUM |