WSHR FLT #10 .22 .50 .049 (Komatsu KO01641-20508)

KO01641-20508: A damaged washer can allow fastener loosening, leading to component misalignment or failure. This aftermarket replacement part references the Komatsu catalog number KO01641-20508. The washer is a flat type, sized for a #10 fastener, with an inner diameter of 0.22 inches, outer diameter of 0.50 inches, and thickness of 0.049 inches. Its plain mechanical function is to distribute load under a fastener head or nut. A common failure consequence is that a missing or crushed washer can cause the fastener to loosen under vibration, risking assembly separation. In a typical usage context, this washer is installed between a fastener and a surface to prevent galling or surface damage. Verify the serial number or application, then call (562) 693-7748.

Part number variants: KO01641-20508, ko01641-20508, KO0164120508, ko0164120508