O RING; NOMINAL SIZE: ID 228.27 X THK 2.62 MM, MATERIAL: FPM, APPLICATION: GEARBOX OUTPUT ASSEMBLY; MODEL:3 13 L 3 HZ SF COAA T, MFR:BONFIGLIOLI, REF:2T313L31760018, S/N:1422681800/2, MANUF DRAWING: 1.35036430, POS:7, RATIO: 176