National Knobs

This National HRO-50 Complete Knob Set and shorting Plugs are in Very Good Condition. The two 8 pin shorting plugs are required for operation and accesory use.

This National HRO-500 & HRO-600 NEW Main Tuning Knob, measures 2 1/8 inch Diameter, and is for for a 5/16 inch Shaft.  This super rare tuning knob is new old stock and is in Excellent condition.   With such a large inlay, it will really...

This National Large Main Tuning Knob for NC-173 Receivers, is used and in Nice Condition.The unit offered is the same as in the picture. It is in very good condition with a replacement inlay ring.It has only a few light marks and is not cracked or warped...

This National Large Main Tuning Knob for NC-173 Receivers, is used and in Nice Condition.The unit offered is the same as in the picture. It is in very good condition with the original inlay ring.It has only a few light marks and is not cracked or warped...