| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.112 INCHES |
| THREAD QUANTITY PER INCH | 40 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.140 INCHES NOMINAL |
| FASTENER LENGTH | 0.325 INCHES NOMINAL |
| MATERIAL | STEEL COMP 4130 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 COND C AND 4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE HEAD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072 M262A MIL SPEC SINGLE TREATMENT RESPONSE HEAD |
| HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND |
| 38.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD STYLE | FILLISTER |
| HEAD DIAMETER | 0.173 INCHES NOMINAL |
| HEAD HEIGHT | 0.098 INCHES NOMINAL |
| INTERNAL DRIVE STYLE | SLOT |
| WASHER QUANTITY | 1 |
| PRIMARY WASHER STYLE | FLAT |
| PRIMARY WASHER OUTSIDE DIAMETER | 0.172 INCHES MAXIMUM |
| PRIMARY WASHER MATERIAL THICKNESS | 0.020 INCHES MINIMUM AND |
| 0.026 INCHES MAXIMUM |