| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| FASTENER LENGTH | 1.111 INCHES MINIMUM AND 1.141 INCHES MAXIMUM |
| GRIP LENGTH | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM |
| GRIP DIAMETER | 0.327 INCHES NOMINAL |
| HEAD DIAMETER | 0.578 INCHES MINIMUM AND 0.633 INCHES MAXIMUM |
| HEAD STYLE | FLAT COUNTERSUNK |
| INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR AMS6415 ASSN STD 2ND MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP 8740 OVERALL |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.312 INCHES |
| SPECIFICATION/STANDARD DATA | 80205 - NAS1580 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.476 INCHES MINIMUM AND 0.526 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| THREAD QUANTITY PER INCH | 24 |