Sockets
Sockets
RF Parts carries a tube socket for almost every type of tube out there.
If you can't find the tube socket you are looking for, give us a call. We can special order any tube socket to fit your needs!

SK600 Eimac Tube Socket for 4CX150A/4CX250B/4CX350A/4CX400A (NOS)

In Stock
New Old Stock
MFR: Eimac
SKU: SK600-SEALED

HX-100 National Company Socket For 3-500Z (NOS)

In Stock
Socket fits 3-500Z, 4-125 ,4-250 and 4-400
New Old Stock * No Longer Available for Export
MFR: National Company
SKU: HX-100
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SK-1420 EImac Tube Socket for 5CX3000A (NOS)

In Stock
SK-1420 EImac Tube Socket for 5CX3000A (NOS)
New Old Stock
MFR: Eimac
SKU: SK1420

National (Johnson 211 Type) 4 Pin Ceramic Tube Socket (NOS)

In Stock
National (Johnson 211 Type) 4 Pin Ceramic Tube Socket (NOS)
Popular "50 Watt" tube socket for tubes such as the 211, B72A, and others with EIA base no. A4-29. Mounts above chassis through 2.813" (71.45mm) diameter circle.
New Old Stock * No longer available for export
MFR: National
SKU: NATIONAL-4PIN-SOCKET
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Metal Chimney for 3CX3000A7/3CX2500 Series Tubes
In Stock
- Removed from Henry 3000D
- Can use with SK14-B Socket
MFR: Henry
SKU: CHIM3000-M
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SK650 Tube Socket (NOS)
In Stock
Tube socket designed to operate with 4CX150/7034, 7609, 7203/4CX250B, 8957/4CX250BC, 8621/4CX250FG, 7580W/4CX250R, 8249/4W300B, 8321/4CX350A, 8322/4CX350F, 8904/4CX350FJ.
Used * No longer available for export
SKU: SK650

SK2210 HAT Teflon Tube Socket Assembly for 3CX1500A7/8877 (Pull)
In Stock
5935-99-056-0096
Used* No longer available for export
MFR: HAT
Made in Spain
SKU: SK2210-HAT
The matching Chimney is SK2216. Chimney sold separately.

SK-400 Eimac Custom Air-System Socket (Pull)

In Stock
The SK-400 Air-System Socket is the recommended socket for use with the 4-400A tetrode, and it may be used as well with 4-250A, 4-125A and other tubes having the same dimensions, like the 3-500zg, or 3cx1200A7. The SK-400 provides efficient connection between the tube and its external circuits, acts as a firm mechanical support for the tube, and controls the flow of cooling air around the tube envelope.
This socket was customized by the previous owner to use a non-standard air source.
Used * No longer available for export
MFR: Eimac
SKU: SK400-P-CUSTOM
See Data Sheet
Photo is for reference only as each socket may have cosmetic differences

SK-400 Eimac Air-System Socket (Pull)

In Stock
The SK-400 Air-System Socket is the recommended socket for use with the 4-400A tetrode, and it may be used as well with 4-250A, 4-125A and other tubes having the same dimensions, like the 3-500zg, or 3cx1200A7. The SK-400 provides efficient connection between the tube and its external circuits, acts as a firm mechanical support for the tube, and controls the flow of cooling air around the tube envelope.
Used * No longer available for export
MFR: Eimac
SKU: SK400-P
See Data Sheet
Photo is for reference only

247A Johnson 7 Pin Tube Socket for 3CX1500A7 / 5894 / 829B / 7094 (Pull)
In Stock
Used * No longer available for export
MFR: Johnson
SKU: 247A-P