WSHR FLT .31 .38 .88 .083 (Komatsu KO3KA-55-11360)

KO3KA-55-11360: A worn flat washer can allow fastener loosening under vibration, leading to component misalignment or detachment. This aftermarket replacement part references Komatsu catalog number KO3KA-55-11360. The washer is a thin, flat ring placed between a fastener head and a surface to distribute load. Its plain mechanical function is to provide a smooth bearing surface and prevent galling. A generic failure consequence is that a missing or crushed washer can cause a bolt to loosen, risking assembly failure. The item ships at approximately 0.004 pounds. Verify the serial number or application, then call (562) 693-7748.

Part number variants: KO3KA-55-11360, ko3ka-55-11360, KO3KA5511360, ko3ka5511360