Seat, Lower Spring, #4B, .90/.90MM

Used in models:5500-SERIES, 755B, 3500, 5550-SERIES, A64, A625, 655A, 3400, 6500, A66, 750, 3550, 7500, 755A, H48, 5340, 3150, TW20, 3100, 7600C, 8000-SERIES, 9200, 6600, TW10, TW30, 3000-SERIES, 3110, 6600C, 9000-SERIES, 8600, 3055, 7000-SERIES, 3300, 9600, FMD, 6700, 3330, 5190, 7700, 8700, 5200, 8200, 3190, 5000-SERIES, 5600, 6600O, 6000, 3310, 9700, 7200, 5100, FSM, 3120, 7100