| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| FASTENER LENGTH | 0.437 INCHES NOMINAL |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MS51957 MIL SPEC SINGLE MATERIAL RESPONSE OR |
| MS51958 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35B FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HEAD STYLE | ROOF |
| HEAD DIAMETER | 0.500 INCHES NOMINAL |
| HEAD HEIGHT | 0.179 INCHES NOMINAL |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE II |
| WASHER QUANTITY | 1 |
| PRIMARY WASHER STYLE | FLAT |
| PRIMARY WASHER OUTSIDE DIAMETER | 0.500 INCHES NOMINAL |
| PRIMARY WASHER MATERIAL THICKNESS | 0.046 INCHES NOMINAL |