TRW- Cinch - MS-018 Connectors, Sockets for Transistors and other TO-3 Components. Sockets are installed onto chassis using eyelets or screws. Transistor is installed afterwards, Assembly and repairs are simplified since socket will stay in place without transistor mounted. white Insulator ensure the component leads are electrically isolated from chassis. Material:Phenolic Socket 1.36" x 1" x 0.5", with 3 solder terminals. Color:Brown. Mount Chassis Contacts Matrial: Brass, Tim Plated Applications: Power Transistors, CB Radio 12v Mobil power supply circuits. Alternates: NTE209, ECG209, Keystone 4606, Digi-Key 36-4606-ND Equivalent: 5935-01-123-6395, 770-1973-20, ECG209, KH3400, KH3403, NTE209, SKKH3400, SKKH3400/209, WEP8051 Note: Discounts are provided for Lot purchases of 2, 3, 4 or more while the "Make Offer" option is intended for bulk purchases.. New Old Stock Proudly Made in USA