B&S Fly Wheel Key 5002K

Key Specifications
Dimensions: Approximately 1/2" L x 3/16" W x 3/16" H (industry standard measurements for this part are often cited as 0.554" L x 0.185" W).
Material: Aluminum (must be aluminum to ensure it shears on impact; do not replace with a steel key).
Engine Compatibility: Fits most 08P000, 090000, and 091000 model engines. It is a standard fit for engines ranging from older models in the 1970s to modern OHV (Overhead Valve) push mower engines.
OEM Cross-Reference: Replaces service part numbers 222698S, 222698, 395002, and 61760. It is also a compatible replacement for John Deere part M47968.