This is the collet that fits on the outside of 001837 & 001838 Collects on SK300A Eimac tube socket. Size: 3.8" Inside Diameter Comes with the spring ring. Missing two teeth on the ring. Used MFR: Eimac SKU: 001839-P
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-P