Any knob can be used with any rheostat and tap switch model which has the corresponding shaft diameter. Knobs are fastened to shafts with slotted set screws. Slotted Hex socket Knob set screw set socket Description dia. ■£5102 — Bar knob, 2V4" long — Hole Fits dia. model RHEOSTAT TANDEM COUPLING KiTS Ohmite coupling kits permit tandem mounting of two rheostat units. A coupling fastens to the shaft of the back unit; projections on the coupling engage the recesses in the driving hub of the front unit. Each kit consists of a steel “U” frame, a coupling with set screw, mica washer, allen wrench and instructions. Part No. Front mount models Rear mount models Max. panel thickness ✓ 6532 H, J H, J, G, K, L 5/32" ✓ 6533 G, K, L H, J, G, K, L '/a" ✓ = Standard values = Non-standard values subject to minimum handling charge per item

Handsomely finished, black-enameled, aluminum dials for Ohmite rheostats and tap switches. Figures and lines are etched on a black background for contrast and ease of readability. On rheostat dials, divisions indicating approximate percentage of rheostat resistance in circuit are marked from 0 to 100. On tap switch dials, Number of dial positions are identical with number of switch positions. Part No. For model For knob Dial dia Electrical contact replacement kit. Kit includes contact/slip ring assemblies (for round and ribbon wire rheostats), copper graphite washer, spring arm and hub. Instructions...