| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/4 FED SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 6061 OR ALUMINUM ALLOY 705.0 OR ALUMINUM ALLOY 7075 |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NO.4 AUX TANK VENT CAP SPACER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 TYPE II, CL 2 MIL SPEC SINGLE TREATMENT RESPONSE |
| SURFACE TREATMENT | ANODIZE |