EF Johnson 100 DD 90, Dual Section Air Variable Capacitor 30-100 pF Per Section, 9000V, 1/4" Shaft in Excellent Condition. EF Johnson Air Variable Capacitor – Part 100 DD 90Genuine dual-section EF Johnson Type D air variable capacitor. Specs: 2...

Compact LC Tuning Module, 30-374 pF Variable Cap & 1.0-43 uH Roller Inductor With Fixed Mica Capacitors, and isolation Coupler with 1/4 inch shaft. Description: Up for sale is a premium, ultra-compact military-surplus LC matching network network...

Collins KW-1 Small Control Knob NOS in Excellent Condition #2   These are NOS (New Old Stock) The white lines are in great shape. They were Likely made in the 1940s, Through the 1950s so they may not have the shine as when they were produced but...

Collins KW-1 Small Control Knob NOS in Excellent Condition #1   These are NOS (New Old Stock) The white lines are in great shape. They were Likely made in the 1940s, Through the 1950s so they may not have the shine as when they were produced but...

Harris / Multronics Heavy Duty Mil-Spec 1.5–50 uH Variable Roller Inductor with Silver-Plated Ribbon Coil & 2 Double Contact sets #2 Harris Green-Frame Roller Inductor – 1.5 to 50 µHGenuine military-style Harris (or equivalent)...

Harris / Multronics Heavy Duty Mil-Spec 1.5–50 uH Variable Roller Inductor with Silver-Plated Ribbon Coil & 2 Double Contact sets #3 Harris Green-Frame Roller Inductor – 1.5 to 50 µHGenuine military-style Harris (or equivalent)...

Harris / Multronics Heavy Duty Mil-Spec 1.5–50 uH Variable Roller Inductor with Silver-Plated Ribbon Coil & 2 Contact set #1 Harris Green-Frame Roller Inductor – 1.5 to 50 µHGenuine military-style Harris (or equivalent) large...

 Harris / Multronics Heavy Duty Mil-Spec 1.6 to 35 uH Silver-Plated Roller Inductor #1  This unit is in excellent condition. When I received it, one of the 4 coil form spreader bars had a hairline crack towards one end. I was able to...

 Harris / Multronics Heavy Duty Mil-Spec 1.6 to 35 uH Silver-Plated Roller Inductor #1 Up for sale is a premium, military-grade Harris / Multronics variable roller inductor. Perfect for custom-built high-power HF linear amplifiers, antenna...

E.F. Johnson 229-201 Roller Inductor – 1.5 to 11.5 µH with Ceramic Coil Form in Excellent Condition  E.F. Johnson 229-201 Roller Inductor – 1.5 to 11.5 µH Genuine E.F. Johnson model 229-201 (also marked 229-201-5) variable...

Roller Inductor 0.15 to 29 uH with Ceramic Coil Form in Excellent Condition This is a compact vintage roller inductor (variable RF coil), most likely commercial or military surplus from a maker in the E.F. Johnson, Barker & Williamson (B&W),...

Gates Radio (Harris-Gates) Roller Inductor, part 938-0505-001 1.5 to 19.5 uH in Excellent Condition Authentic vintage Gates Radio (Harris-Gates) roller inductor, part 938-0505-001. Measures approximately 1.5 to 19.5 microhenries.   Classic...