Collins 75A-4, 100 KC Calibrator Crystal in Excellent Condition Tested / Working Original Collins 75A-4 100 KC calibrator crystal in excellent condition. Metal can style for the built-in 100 kHz crystal calibrator. Ready for restoration use...

Collins 75A-4 Frequency Dial Drum with 20.8 MHz 15 Meter Band in Excellent Condition Complete Collins 75A-4 Frequency Dial Drum – Excellent Condition – Complete Assembly + Extra 20.5 Overlay if needed. Original Collins 75A-4 frequency...

Collins 75A-4, 75A-2, 75A-3, and 51J-series receivers, KWS-1 transmitter Non-Spinner Main Tuning Knob & Shaft bracket NEW This Original non Spinner skirted knob is new. It comes with the shaft bracket / Bushing so if you need to remove a 4:1 spinner...

Collins 75A-4 & KWS-1, Solid Brass CNC Made, 4:1 Spinner / Vernier Tuning Knob Reproduction Painted Black Enamel #7   This one is used and in in excellent condition, with only one tiny mark on the skirt not noticeable when installed.  To my...

Collins 75A-4 & KWS-1, Solid Brass CNC Made, 4:1 Spinner / Vernier Tuning Knob Reproduction BRASS FINISH #4   It was purchased new and was not used much so it is in excellent condition, with no bad marks or scratches. I have not polished the...

Collins 75A-4 & KWS-1, Solid Brass CNC Made, 4:1 Spinner / Vernier Tuning Knob Reproduction Painted Black Enamel #1   It was purchased new and was not used much so it is in excellent condition, with no marks or scratches.  To my knowledge...

Collins 75A-4 Receiver ORIGINAL Used Knob Set (Less Large Tuning Knob) Original Collins 75A-4 receiver knob set in excellent condition. Includes rare white-stencil passband tuning knob. Missing only large main tuning knob. Authentic vintage ham radio...

Collins 75A-4 Receiver Used Dakaware Knob Set (Less Large Tuning Knob) Used Dakaware (Daka-Ware) black phenolic control knobs for the classic Collins 75A-4 amateur receiver.   This set provides authentic-style replacements for the smaller...

Collins 75A-4 Receiver NOS Dakaware Knob Set (Less Large Tuning Knob) New Dakaware Replacement Knob Set for Collins 75A-4 Receiver High-quality new Dakaware (Daka-Ware) black phenolic control knobs for the classic Collins 75A-4 amateur receiver...

Collins 51J & R-388/URR Receiver NOS Dakaware Knob Set (Less Large Band & Tuning Knobs) NOS Dakaware Knob Set for Collins 51J & R-388/URR Receivers Authentic New Old Stock Dakaware (Daka-Ware) black phenolic control knobs designed for the...

Collins 32RS-1 RARE Transceiver Instruction Manual Copy Dec 1961 This Rare manual is for the 32RS-1 Transceiver used mainly in Air Ports. It is built much like the KWM-2. This manual is a first generation copy, printed with a commercial laser printer...

This Collins 75A-4 Frequency Drum Overlay, is for older serial number units that cover the 15 meter band from 20.8 to 21.8 MHz (I also have this Overlay Available for later S/N 75A-4s that cover the 15 meter band from 20-5 to 21.5 MHz in another...