WSHR FLT .31 .38 .88 .083 (Komatsu KO01641-20810)

KO01641-20810: A worn flat washer can allow fastener loosening under vibration, leading to component misalignment or detachment. This aftermarket replacement part references Komatsu catalog number KO01641-20810. The washer provides a smooth bearing surface for a fastener head or nut. Its flat profile distributes clamping load evenly across the mating surface. If the washer deforms or corrodes, the fastener may lose preload and back out during operation. Verify the serial number or application, then call (562) 693-7748. The part is a flat washer with dimensions 0.31 inch inner diameter, 0.38 inch outer diameter, and 0.083 inch thickness.

Part number variants: KO01641-20810, ko01641-20810, KO0164120810, ko0164120810