| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.112 INCHES |
| THREAD QUANTITY PER INCH | 40 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.231 INCHES MINIMUM |
| FASTENER LENGTH | 0.280 INCHES MINIMUM AND |
| 0.312 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 430 OR |
| STEEL COMP 303SE OR |
| STEEL COMP 301 OR |
| STEEL COMP 302 OR |
| STEEL COMP 304 OR |
| STEEL COMP 316 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC 1ST MATERIAL RESPONSE OR |
| MIL-S-7720 MIL SPEC 2ND MATERIAL RESPONSE OR |
| MIL-S-18732 MIL SPEC 3RD MATERIAL RESPONSE OR |
| MIL-S-5059 MIL SPEC 4TH MATERIAL RESPONSE OR |
| MIL-S-5059 MIL SPEC 5TH MATERIAL RESPONSE OR |
| MIL-S-5059 MIL SPEC 6TH MATERIAL RESPONSE OR |
| MIL-S-5059 MIL SPEC 7TH MATERIAL RESPONSE OR |
| MIL-S-6721 MIL SPEC 8TH MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| HEAD STYLE | PAN |
| HEAD DIAMETER | 0.205 INCHES MINIMUM AND |
| 0.219 INCHES MAXIMUM |
| HEAD HEIGHT | 0.078 INCHES MINIMUM AND |
| 0.080 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| WASHER QUANTITY | 2 |
| PRIMARY WASHER STYLE | SPLIT HELICAL RING |
| PRIMARY WASHER OUTSIDE DIAMETER | 0.212 INCHES MAXIMUM |
| PRIMARY WASHER MATERIAL THICKNESS | 0.025 INCHES MINIMUM AND |
| 0.031 INCHES MAXIMUM |
| SECONDARY WASHER RELATIONSHIP TO PRIMARY WASHER | NOT IDENTICAL |
| SECONDARY WASHER STYLE | FLAT |
| SECONDARY WASHER OUTSIDE DIAMETER | 0.213 INCHES MINIMUM AND |
| 0.223 INCHES MAXIMUM |
| SECONDARY WASHER MATERIAL THICKNESS | 0.013 INCHES MINIMUM |