O-Ring, 90 Duro, .625" ID x .103" Thk, Relief Valve, Start Year: 10/01/1968

Used in models:4400, 345D, 3500, 345C, 545D, 5550-SERIES, 3400, 535, 4410, 420, 445C, 3550, 335, 545C, 4140, 4610SU, 532, 515, 4500, 2600R, 3910V, 5340, 4130NO, 3230, 3150, 531, TW20, 2100, 3600, 3100, 7600C, 8000-SERIES, 9200, 6600, FMD, 3430, 3930N, 6640, TW10, 4110V, 334, 2300, 2310, TW30, 4600SU, 7840O, 3000-SERIES, 3110, 3910R, 4330, 3610N, 6600C, 9000-SERIES, 4600O, 4830, 6640O, 2910, 8600, 3930NO, 3055, 4200, 7000-SERIES, 2120, 3300, 2610, 2610V, TV145, 3610NO, 4340, TS100, 9600, TS110, 3910H, 3610V, 3600R, 6700, 4000-SERIES, 3330, 530A, 4630NO, 8240, 7700, 3900, 8700, 5200, 3600N, 8200, 3930H, 230A, 7740O, 5640, 5000-SERIES, 2600V, 4610O, 4100, DEXTA, SUPER, 5600, 4110O, 2110, 3600NO, 234, 6600O, 5030, TS115, 3310, 8340, 9700, 5030O, 233, 5700, 4830O, 7200, 4610NO, 5100, 4830N, 4600NO, TS90, 4110NO, 4610V, 2600N, FSM, 3120, 3600V, 7100, 2000-SERIES, 2150, 4630O, 2810