WASHER 3/8 SAE (Komatsu KO01642-40810)

KO01642-40810: A worn washer can allow fastener loosening under vibration, leading to component misalignment or detachment. The Komatsu catalog reference KO01642-40810 identifies this aftermarket replacement part as a WASHER 3/8 SAE. Its general function is to distribute load and prevent galling between a fastener head and the mating surface. A plain mechanical function of this type is to provide a bearing surface that reduces friction during tightening. A concrete generic failure consequence is that a missing or crushed washer can cause the fastener to loosen, resulting in joint failure. Verify the serial number or application, then call (562) 693-7748.

Part number variants: KO01642-40810, ko01642-40810, KO0164240810, ko0164240810