| CONSTRUCTION TYPE | ONE PIECE |
| DIAL APERTURE SHAPE | RECTANGULAR W/ROUND ENDS |
| DIAL APERTURE SIZE | 3.655 IN. H,3.125 IN. W |
| INSTRUMENT SIZE FOR WHICH DESIGNED | 3.880 IN. W BY 3.880 IN. LG3.880 IN. W BY 3.880 IN. LG |
| OVERALL LENGTH | 4.160 INCHES NOMINAL |
| OVERALL THICKNESS | 0.375 INCHES NOMINAL0.375 INCHES NOMINAL |
| OVERALL WIDTH | 4.160 INCHES NOMINAL4.160 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/4, ALLOY 2024, T351 FED SPEC SINGLE MATERIAL RESPONSEQQ-A-250/4, ALLOY 2024, T351 FED SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | ALUMINUM ALLOY 2024ALUMINUM ALLOY 2024 |
| MOUNTING HOLE CONFIGURATION | SPACED ON 3.875 IN. BY 3.875 IN. MTG CENTERSSPACED ON 3.875 IN. BY 3.875 IN. MTG CENTERS |
| MOUNTING HOLE QUANTITY | 44 |
| MOUNTING HOLE SIZE | 0.170 IN. DIA HOLES0.170 IN. DIA HOLES |
| MOUNTING METHOD | HOLEHOLE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-T-10727, TYPE 1, GRADE B MIL SPEC SINGLE TREATMENT RESPONSEMIL-T-10727, TYPE 1, GRADE B MIL SPEC SINGLE TREATMENT RESPONSE |
| SURFACE TREATMENT | TIN |