Replaces: SJN-1 Used In: MASTERCRAFT Equivalent to these other universal replacement #'s: Astatic N543SD 917DS 2830DS P-5XD MC1073DS 638SD W324 ARISTA LC-3 LC-7 ASTATIC NEEDLES N1591 FIDELITONE NEEDLES AC437 RADIO SHACK MODELS 13-1082 131082 13-1083 131083 RECOTON 638SD TRANSCRIBER NEEDLES PS122 RADIO SHACK, REALISTIC NEEDLES 42-2834 422834 Once you have determined that this is the needle type you seek, we have prepared an FAQ detailing the various tip and speed choices. For details, go to Flip Needles FAQ .