| DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY THREAD SIZE AND SERIES/TYPE DESIGNATOR,LENGTH,AND WING SPREAD WIDTH |
| LENGTH | 3.000 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | FF-B-588 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| NOMINAL THREAD DIAMETER | 0.138 INCHES |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND A CLASS AND 1 STYLE |
| STYLE DESIGNATOR | SPRING-WING, SHEET METAL, MACHINE SCREW |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OR ZINC OVERALL |
| THREAD CLASS | 2A |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| THREAD QUANTITY PER INCH | 32 |