| DISTANCE ACROSS FLATS | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
| HEAD DIAMETER | 0.197 INCHES MINIMUM AND 0.201 INCHES MAXIMUM |
| HEAD LENGTH | 0.231 INCHES MINIMUM AND 0.241 INCHES MAXIMUM |
| LOCKING FEATURE | SELF-CLINCHING HEAD |
| OVERALL LENGTH | 0.631 INCHES NOMINAL |
| MATERIAL | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 |
| NOMINAL THREAD SIZE | 0.138 INCHES LOCATION NOT OTHERWISE SPECIFIED |
| STYLE DESIGNATOR | SELF-LOCKING |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 2A LOCATION NOT OTHERWISE SPECIFIED |
| THREAD DIRECTION | RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED |
| THREAD LENGTH | 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED |
| THREAD QUANTITY PER INCH | 32 LOCATION NOT OTHERWISE SPECIFIED |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) LOCATION NOT OTHERWISE SPECIFIED |