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RF Parts Company  

Transmitting Tube Sockets
Minimum Order: $25.00 in Parts
Product Returns are subject to 15% Re-stock fee.




Part Number
Photo
Description Price Ea.

Key
@ = Our 100% equivalent to manufacturers original part
—P = Pullout, Removed from new & surplus equipment, very good condition.
Check for availability.

SK1A
sk1a
Svetlana socket. Special 4CX800A built-in screen bypass cap. HF/VHF $Call 
SK2A
sk2a
Special 8 Pin ceramic socket with center grid contact. No internal screen bypass cap, great for HF. 14.95  
SK1Y
 
7 Pin ceramic socket for 4CX800A. No internal screen bypass cap, great for HF, using external screen bypass cap. 19.95  
SK3A
sk3a
Svetlana socket.

4CX1600B
Call 
SK4A
sk4a
4 Pin Ceramic.

811A • 812A • 572B • 866A
3.50  
SK4P
 
4 Pin Phenolic for 1 1/8" hole, phenolic 2 hole mounting. 3.50  
SK4C
 
4 Pin Ceramic for 1 1/8" hole with snap-lock spring. 5.95  
SK4F
SK4F 
4 Pin Ceramic w/ 2-hole mounting flange, ?1 3/16” hole. RoHS 3.75  
SK5
 
5 Pin Ceramic. 807 4.95  
SK7 -MINI
 
7 Pin molded miniature. 1.95  
SK7 -MINI-SH
 
7 Pin miniature with shield. Mfgr. USA. 1.25
SK7
 
7 Pin Ceramic. 813 16.80  
SK8
SK8 chassis mount
8 Pin Ceramic. Standard octal chassis mount

6L6 • 6146B • 8908
2.35  
SK8L
SK8L 

Socket, tube, octal. Flat Ceramic.
RoHS


Same as Johnson 228

3.95
SK8PC
SK8 pcb mount
8 Pin Octal. Similar to SK8, but PC mounting. 2.65  
SK9 minipc
  SK9
9 Pin miniature PC mount. 12AX7 etc. 2.49 
SK9 mini
  SK9 Chassis mount
9 Pin miniature chassis mount. 12AX7 etc. 2.49 
SK9
 
9 Pin Compactron type, chassis mount flange. Call 
SK12
 
12 Pin Compactron type, pc mount. 3.45  
SK13
SK13
Ceramic Socket for 833A and 833C. 49.95  
SK14
 
Socket & grid ring for 3CX3000A7 and 3CX6000A7. Call
SK84
 
Coaxial socket for GU-84B (Russian) 120.00  
SK184A
 
Socket, bypass with chimney.

8295 • PL172
Call 
SK211
123-0211
Generic version of Johnson 123-0211. For 211, 805, 810, etc. 10.95  
SK265A
Socket/Chimney, 8576 / 264 tube. Mfg. Eimac 179.90
SK300A
SK300A
Taylor socket for 4CX3500A • 4CX5000A • 4CX7500A • 4CX10000A • 4CX15000A • 4CX20000A. 395.00  
SK300 —P
 
Eimac 4CX5000A • YC156 /3CPX5000A7. Call  
SK320
 
4CX20,000 series. Call  
SK340
 
Svetlana 4CX7500A and 4CX3500A. Call  
SK375
 
Not air system socket, low inductance between filament and mounting surface.

Plastic support insulates the socket from ground. For cathode driven service.

4CX5000A/R/J • 4CX10,000D
270.00  
SK410
sk410
Eimac Air Cooling type.

3CX1200A7 • 3-500Z
Call 
SK410-TAY 5 pin socket, Eimac style, Silver pins, Mfg. Taylor

4-400A • 3-500Z
29.95
SK509
sk509
Svetlana 9 Pin Ceramic, European.

EL509 • 6KG6 • 6P5 • 6N5
7.65 
SK510
 
Eimac Air Cooling type, style similar to SK410.

4-1000 • 3-1000Z
89.95  
SK510S
SK510S
Deluxe metal socket, air cooling, ceramic insulators, plated silver contacts.

3-1000 • 4-1000A • etc.

Mfg: Taylor.
69.95  
SK600/A
sk600a
Air System type with Cathode ground & screen bypass. Call  
SK600A —P Same as above, removed from working equipment. Call  
124-110
sk600a
 Johnson equivalent of SK600. Call  
124-110 —P
 
Johnson equivalent of SK600. 2700pF screen cap.   Excellent condition. Call  
SK600A /SK610
/SK620A —P
sk620a
Excellent condition, "pull-outs" guaranteed. Call  
124-112 —P
 
Johnson equivalent of SK610. 2700pF screen bypass. Call
124.0112.001
 
Same as SK610, mfg: Johnson. Equivalent to SK600 w/cathode ground. Call 
SK-612
Socket, Eimac, Special 110.00
SK620A
sk620a
Air system type with screen bypass cap. 4CX250B Call  
SK630A —P
 
Similar to SK620, except grounded cath. Call  
SK640
sk640
Air system socket, no bypass. Call  
124-113-001
 
Screen bypass cap, round frame. Same as SK655. Call  
SK655
 
Eimac, screen bypass capacitor. Call  
GRIDCOL-1
 
Grounding grid collet for 3CX400A7, 3CX800A7, 3CPX800A7 Call  
124-113-16
 
Screen bypass cap ring, square frame. Call  
SK650
 
Eimac air system socket; same as 124.0311.100 Call 
SK650 —P
 
4CX250B etc. Call 
SK700
 
Eimac SK700 air system. 4CX300A. Call 
SK711 —P
 
Eimac air system type with screen bypass capacitor. 4CX300A Call 
SK711-T
 
Teflon insulated version of SK711. Call 
SK728
 
Socket. Fits FU728F. Mfg: Taylor. Call
SK800A-1
 
Used - excellent condition.
 
4CX1000A • 4CX1500B
Call  
SK800A-2
 
Used - good condition.
 
4CX1000A • 4CX1500B
Call  
SK800B
 
Air system socket, no grounded contacts, bypass screen capacitor.
 
4CX1000A • 4CX1500B
Call  
SK810B
 
Same as SK800 except cathode, and one heater contact are grounded to shell. Call  
SK820   Eimac socket for 4CX1000K. Call  
SK840B
 
Air system socket, bypass screen capacitor.  

5CX1500A • 5CX1500B
Call  
SK1300
 
Svetlana Socket.

3CX10000 • 3CX15000A
449.00  
SK1300A
 
Taylor Socket.

3CX10000 • 3CX15000A
429.00  
SK1320
 
Taylor Socket (grounded grid).

3CX10000A7 • 3CX15000A7
449.00  
SK1320 —P   Eimac Socket. (pullout) Call
SK1400 —P
 
4CX3000A. Excellent condition. New price = $1600.00 Call  
SK1420
 
Eimac Socket. 5CX3000A Call  
SK1510 —P
 
Socket, 4CX35000C • 4CW100,000D • 4CV1,000,000C. Reconditioned. Call  
SK1900
 
11 Pin Johnson.

3CX800A7 • 8072 • 8122 • 8874
use 124.0311.100-1
SK2011A
 
Eimac Socket.

4CV50,000E • 4CV50,000J • 4CW50,000E • 4CW50,000J • 4CW100,000E • 4CW150,000E • Y676
Call  
SK2011A —P
 
Eimac Socket, pullout.

4CV50,000E • 4CV50,000J • 4CW50,000E • 4CW50,000J • 4CW100,000E • 4CW150,000E • Y676
Call  
SK2200
Air System socket for 3CX1500A7 /8877. Grid driven. 95.00  
SK2210-EI
sk2210
Eimac Air System socket for 3CX1500A7 / 8877. Cathode driven.
Removed from new equipment / NOS.
139.00  
SK5868   Ceramic Socket  •  5868 / TB4 / i250 Call  
SK7092   Special ceramic socket for 7092 tubes Call  
Y770   Eimac Socket; Special low input Cap.  4CX1500B Call  
Y231
 
Socket for 4CX300A, no bypass. Call  
122-101
 
Ceramic 7 Pin.

4-65 • 5894 • 7094 • 829B • 4D32
Call  
122-0247-202
 
Johnson flat, Ceramic 7 Pin.

8877 • 5894 • 7094 • 4-65A
65.00 
122-247 —P
 
Johnson flat, Ceramic 7 Pin.

8877 • 5894 • 7094 • 4-65A
Call  
247-TAY
 
Taylor Tubes copy of 122-247-1

8877 • 5894 • 7094 • 4-65A
11.95
123-206-100
 
Super Jumbo, 4 Pin Johnson, MIL Grade.

8008 • 5C22
Call
123-209
 
Medium, 4 Pin Twist Lock. Same as 123-210,

811A • 866A • 100TH
24.95  
123-0211
123-0211
Johnson Jumbo 4 Pin Socket for the "50 watt" class 211, 872A, and others with EIA base number A4-29. Porcelain base with aluminum shell. Call  
124.0311.100
  use 124.0311.100-1  
124.0311.100-1
124.0311.100
11 Pin Johnson.

3CX800A7 • 3CX400A7 • 8822
39.95  
33094
 
Millen 4 Pin Jumbo. Same mounting hole pattern as 122-0244-002, except steatite is 3.25" diameter. 44.90 
234
 
Jumbo 4 Pin Socket with open center for air flow. Similar to part # 33094. 32.85  
122-237-1
 
Socket, 813, Mfg. Johnson Call  
122-0244-200
 
Johnson "244" 4 Pin Jumbo, Silver Pins, mil-grade, flat steatite. Ceramic socket for 8008 and many rectifier & thyratron type with EIA base numbers A4-15, A4-16 and A4-18. Call  
122-0244-200 —P
 
Same as above, removed from working equipment, excellent condition. 37.00  
122-275-001 275 Johnson flat ceramic; 3-500Z, 4-400, 3CX1200A7 Call 
275-TAY
 
Taylor Tubes copy of Johnson "275" series socket 10.95  
275-CLIP
 
Set of 4. For holding SK406 series Chimney. 2.00  

 

 

Dual Tube and Socket Kit
for 4X150A • 4CX250B&F • 4CX350A&F
Part Number
Photo
Description Price Ea.
DTS&C-2
DTS&C

Designed for 2-30 MHz Power Amplifier.
In excellet condition, removed from military communications equipment.

Kit Includes: Dual Socket and one pair of 4X250F Tubes.

The 4X250F is the same as the 4CX250B, but with a 26v filament.

Note: Use filament transformer # F-41X..

$179.00

 

Plate Caps and
Heat Dissipating Connectors

Part Number
Photo
Description Price Ea.

Key
@ = Our 100% equivalent to manufacturers original part
—P = Pullout, Removed from new & surplus equipment, very good condition.
Check for availability.

AC Series
ac1
Anode Clip, Silver Plate.

833 and 3CX & 4CX tubes.
$Call 
HR2
Finned, Grid 75TH/TL, 100th/TL, .0625 8.95
HR3
Finned, Plate: 35T/TG,75TH/TL, VT127A
Grid: 35TG, VT127A, 250th/TL, 327A
8.95
HR4
Finned, Plate 327A, .1015" 8.95
HR6-short
HR6 short
Finned, .367" hole, low profile.

3-500Z • 4-400A • etc.
6.95  
HR6-tall
HR6 tall
Same as above, but .62" tall. 7.95  
HR8
HR8
Finned, .575" hole.

3-1000Z • 4-1000A • 4PR1000A • 833
10.95  
PLCAP1
plcap
Ceramic Plate Cap

811A • 572B • 866 • 810 • 813 • 833
2.70  
PLCAP2 Ceramic Plate Cap

6146B • 6LF6 • 6LQ6 • 8950 • etc.
2.30  
PC509 Ceramic Plate Cap

EL509 • 6KD6. For 1/4" caps, Mfg: Millen.
6.50  
SPRCLP
 
Spring Clip for 6KD6 • 6LF6 • 6LQ6 • etc. .75  
SPRCLP-L
 
Spring Clip for 572B • 810 • 813 • 866A & AS. 3.55 

 

Chimneys

Part Number
Photo
Description Price Ea.

Key
@ = Our 100% equivalent to manufacturers original part
—P = Pullout, Removed from new & surplus equipment, very good condition.
Check for availability.

SK306   Eimac

4CX5000A • YC156 • 3CPX5000A7.
$  Call  
SK316     Call  
SK406   Eimac Glass Chimney, 3-500Z, height: 4.75". Call  
SK406A   Chimney for 3-500Z (generic), height: 4.25". 45.00  
SK406B   For 3-500Z • 4-250A • 4-400A, height: 4".

(Requires socket to be mounted 1/4" below chassis for proper air flow.)
45.00  
SK416   Eimac Glass Chimney, 3CX1200A7. 40.00 
SK436   Eimac Chimney, 3-400A. 3.5" Ht, 3.8" ID 94.95
SK446   Eimac Chimney, 3CX1200A7. Call  
SK506   Eimac Glass Chimney, 4-1000A. 125.00  
SK606 /124.11.001 sk606 Eimac Ceramic, standard, 4CX250B. 18.80 
SK606 —P Ceramic Chimney, used.
Call  
SK646 Ceramic Chimney. Use SK646T or 124.0111.011
SK646T   Teflon Chimney, 4CX400A • 8930 • 4CX600J. Call  
SK806   Eimac Chimney, 4CX1000A • 4CX1500B. Call  
SK1306   Chimney, 4CX10,000D • 3CX10,000A7 • 3CX15,000A7 . Call  
SK1406     Call 
SK1906   Chimney, Eimac 3CX800A7. 65.00  
SK2216-EI sk2216 Eimac Teflon Chimney, 3CX1500A7 • 8938
Removed from new equipment / NOS .
125.00  
Y358—P   Square base w/4 mounting holes for SK620/SK630.
Similar to SK636A. Has locking anode clamp ring.
Call 
8930TCHIM 3500 chimney Teflon Chimney for 8930 on SK600, or 4CX400A on SK630. 19.95  
CH1600B   Svetlana Chimney for 4CX1600B. 35.00  
CHIM3000   Chimney 3CX800A7, 3CX2500, etc. Call 
Part Number
Photo
Description Price Ea.
FT250-TAY
tube base
This is the standard ceramic base for use in building test fixtures, or as a connector.

Mates with the SK1A socket. Large quantity available.
 $24.95
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Price and availability subject to change without notice.

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