| MATERIAL | ALUMINUM ALLOY |
| SURFACE TREATMENT | ANODIZE |
| INSTRUMENT SIZE FOR WHICH DESIGNED | 2 IN. DIA |
| CONSTRUCTION TYPE | TWO-PIECE FRONT FLANGE/REAR FLANGE |
| DIAL APERTURE SHAPE | CIRCULAR |
| DIAL APERTURE SIZE | 3.105 IN. PORM 0.006 IN. DIA |
| DIAL APERTURE KNOB CUTOUT FEATURE | NOT INCLUDED |
| MOUNTING METHOD | SCREW |
| MOUNTING HOLE QUANTITY | 4 |
| MOUNTING HOLE SIZE | 0.170 IN. PORM 0.002 IN. DIA |
| MOUNTING HOLE CONFIGURATION | HOLES ARE EQUALLY SPACED AT EA CORNER ON A 3.500 IN PORM 0.003 IN. HOLE CIRCLE DIA |
| OVERALL LENGTH | 3.235 INCHES NOMINAL |
| OVERALL WIDTH | 5.235 INCHES NOMINAL |
| OVERALL THICKNESS | 1.000 INCHES NOMINAL |
| NONDEFINITIVE SPEC/STD DATA | MS28055-12 PART |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 96906 |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MS28055-12 |