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The GIBRALTAR G10-1520-S is a pointer-style control knob designed for use with shafts requiring a 1/4 x 5/8-inch keyed or D-profile bore. Standing 3/4 inches high with a 1-1/2-inch diameter, this knob provides a clear directional indicator for panel-mounted controls, switches, and rotary actuators. The 5/8-inch hole depth and 13/16-inch center bore accommodate standard shaft configurations, while the 8-32 set screw locks the knob securely in position. Electricians, control-panel builders, and instrumentation technicians install this type of hardware during panel assembly or control-component replacement.
This knob suits residential and light commercial control panels, HVAC equipment, industrial instrumentation, and general-purpose rotary control applications. It is appropriate wherever a positive pointer indication is needed on a shaft-mounted rotary component. The PH style profile and compact footprint make it adaptable to a range of standard panel cutout layouts. Installers working on HVAC controls, fan speed selectors, or thermostat sub-panels will find this a common direct-replacement format.
Designed as a direct-replacement pointer control knob for rotary shaft applications requiring a 1/4 x 5/8-inch bore and 8-32 set screw retention, compatible with standard panel-mount control shafts of matching diameter and profile.
Installation is performed by electricians or control-panel technicians. De-energize the panel or equipment fully before removing or installing any knob or control component. Align the pointer indicator with the shaft flat or keyway before tightening the 8-32 set screw to avoid indicator misalignment. Follow applicable NEC guidelines for panel assembly and component mounting.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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