National Radios

This Collins 353A-15 Plug In Mechanical Filter Adapter Set, is made for the National HRO-60 & Hammarlund SP-400 Receivers. This Filter Adapters is for  1.5 KC bandwidth. It looks to be in excellent shape and it simply plug into one of the IF...

This Collins 353A-31 & 353A-12 Plug In Mechanical Filter Adapter Set, is made for the National HRO-60 & Hammarlund SP-400 Receivers.  These Filter Adapters are for 3.1 KC and 1.2 KC bandwidths.  Both look to be in excellent shape and...

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 NCX-3 and NCX-5 Mounting Bracket & Thumb Screw set is in excellent condition.  This bracket allows the transceiver to be mounted under a desk or operating position as well as mobile.  

This National SW-3 Version 2 "Thrill Box" 1930s Vintage Short Wave Receiver comes  with the Velvet AB 5880 Power Supply & 4 Coil Sets. All are in Excellent Condition.  NOTE: When I photographed the SW-3, The Little silver cap that goes on...

This National XCU-27 100 KHz Crystal Calibrator for Most NCX Series Radios (Less Crystal)  It appears to be in great shape and complete except for the 100 KHz crystal. Any Plug in 100 KC crystal should work with this calibrator.  It is untested...

This National XCU-27 100 KHz Crystal Calibrator for Most NCX Series Radios (Less Crystal)  It appears to be in great shape and complete except for the 100 KHz crystal. Any Plug in 100 KC crystal should work with this calibrator.  It is untested...