| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.218 INCHES MINIMUM AND |
| 0.312 INCHES MAXIMUM |
| FASTENER LENGTH | 0.280 INCHES MINIMUM AND |
| 0.312 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 302 AND |
| STEEL COMP 304 PRIMARY WASHER |
| STEEL COMP 302 AND |
| STEEL COMP 304 AND |
| STEEL COMP 303SE FASTENER |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5059 MIL SPEC ALL MATERIAL RESPONSES PRIMARY WASHER |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| HEAD STYLE | PAN |
| HEAD DIAMETER | 0.357 INCHES MINIMUM AND |
| 0.373 INCHES MAXIMUM |
| HEAD HEIGHT | 0.122 INCHES MINIMUM AND |
| 0.132 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| WASHER QUANTITY | 2 |
| PRIMARY WASHER STYLE | SPLIT HELICAL RING |
| PRIMARY WASHER OUTSIDE DIAMETER | 0.337 INCHES NOMINAL |
| PRIMARY WASHER MATERIAL THICKNESS | 0.047 INCHES NOMINAL |
| SECONDARY WASHER RELATIONSHIP TO PRIMARY WASHER | NOT IDENTICAL |
| SECONDARY WASHER STYLE | FLAT |
| SECONDARY WASHER OUTSIDE DIAMETER | 0.338 INCHES MINIMUM AND |
| 0.348 INCHES MAXIMUM |
| SECONDARY WASHER MATERIAL THICKNESS | 0.029 INCHES MINIMUM AND |
| 0.035 INCHES MAXIMUM |
| SPECIFICATION/STANDARD DATA | 80205-NAS1301 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |