| KNOB PURPOSE | SETTING BAROMETRIC SCALE |
| KNOB QUANTITY | 1 |
| OVERALL DEPTH | 4.938 INCHES MINIMUM AND 5.188 INCHES MAXIMUM |
| OVERALL HEIGHT | 3.250 INCHES NOMINAL |
| OVERALL WIDTH | 3.250 INCHES NOMINAL |
| MECHANICAL CONNECTION QUANTITY | 1 |
| MECHANICAL CONNECTION SIZE | 1/8 IN. |
| MECHANICAL CONNECTION TYPE | INTERNAL PIPE |
| MOUNTING METHOD | PANEL |
| POINTER COLOR | BLACK |
| POINTER FINISH | NONLUMINOUS AND FLUORESCENT |
| POINTER QUANTITY | 4 |
| SCALE NAME | ALTITUDE AND BAROMETRIC PRESSURE |
| SCALE QUANTITY | 4 |
| SCALE MARKING TRANSPARENCY | FLUORESCENT |
| SCALE MARKING | LETTERS AND NUMERALS AND LINED INCREMENTS |
| SCALE SMALLEST INCREMENT GRADUATION | 20 FT,200 FT,2000 FT,0.02 IN. |