Johnson 5-pin tube socket
Base: L-423 steatite, DC-2oo treated
Contacts: Brass per 00-8-626D with steel springs per QQ-S-777, .0001 " nickel plated.
• Ventilating holes to provide tube seal cooling
• Sub-panel mounting possible with countersunk rivets and bossed mounting holes
Heavy duty steatite insulated wafer type socket. For tubes such as 4-12SA, 4-2S0A, and RK-48 with E.l.A. base no. AS-19. Standard five pin configuration. 3-500/4-400/3cx1200a7
Johnson. commercial grade
5 pin flat ceramic