| MATERIAL | ALUMINUM ALLOY 2024 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-430 FED SPEC SINGLE MATERIAL RESPONSE OR |
| QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | ANODIZE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HEAT TREATMENT | T-6 SOLUTION HEAT TREATED OVERALL |
| COLLAR STYLE | THREADED (BREAK OFF) TYPE |
| COLLAR OUTSIDE DIAMETER | 0.465 INCHES MINIMUM AND |
| 0.475 INCHES MAXIMUM |
| COLLAR OVERALL HEIGHT | 0.570 INCHES NOMINAL |
| COLLAR INSIDE DIAMETER | 0.270 INCHES NOMINAL |
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| THREAD CLASS | 3B |
| THREAD QUANTITY PER INCH | 28 |
| THREAD DIRECTION | RIGHT-HAND |
| LUBRICATION | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| IDENTIFICATION CODE COLOR | BROWN |
| FEATURES PROVIDED | WASHER |