| CENTER HOLE SHAPE STYLE | ROUND |
| CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| HOLE DIAMETER | 1.234 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/11, COND T6 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | ALUMINUM ALLOY 6061 OVERALL |
| OVERALL DIAMETER | 2.234 INCHES NOMINAL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | RESTRICTOR, COOLING AIR |
| PERIPHERAL SHAPE STYLE | ROUND |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541, CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THICKNESS | 0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM |