Phonograph needle Astatic N640-1s, replaces Shure A61A. Used in: Astatic 40-2, RCA 78478, Shure PC40, PC41, Shure P72, P73, P74, P75, P76, P77, P79, P80, PC72, W21, W22, WC22 Series, PC41AF, PC72V, WC22AB, W22A, W22B, W21A, W21A-R, W225, W22, W21E, W21F, WC24, V-M 4254, 4278, 6714, RCA 75044, S5652, 76257 988370-1, Webster Electric F-10, F-11, F-11-1. Tip: 1 mil sapphire. Speeds: 33 & 45 RPM. New old stock.
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Model numbers are provided in manufacturer's references for the cartridge they installed in those models. If the cartridge has been changed by a dealer or user, this needle will not be correct for the model numbers listed, as it is the cartridge that determines what needle is needed. Be sure it looks like your old needle.