| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| FASTENER LENGTH | 0.4370 INCHES NOMINAL |
| GRIP LENGTH | 0.1250 INCHES NOMINAL |
| HEAD MAJOR DIAMETER | 0.2564 INCHES MINIMUM AND 0.2612 INCHES MAXIMUM |
| HEAD STYLE | FLUSH COUNTERSUNK |
| HOLE DEPTH | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM |
| HOLE DIAMETER | 0.0791 INCHES MINIMUM AND 0.0801 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | IRON ALLOY 660 OVERALL |
| NOMINAL THREAD SIZE | 0.164 INCHES |
| SHANK DIAMETER | 0.1570 INCHES MINIMUM AND 0.1595 INCHES MAXIMUM |
| SHANK STYLE | ERR-090 |
| SHOULDER DIAMETER | 0.1630 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM |
| SHOULDER LENGTH | 0.1590 INCHES MINIMUM AND 0.1710 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | HI-SHEAR 258 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 3A |
| THREAD SERIES DESIGNATOR | UNJC |
| THREAD QUANTITY PER INCH | 32 |