Used on c-5m; power plant; nha frame part number 9381m60g49. 0.640" hole diameter 0.435" material thickness lock washer width 0.875; washer has d shape one side with external prebent tab on opposite side key
Used on 1520-01-599-2203. 0.130" hole diameter 0.310" outside diameter 0.030" material thickness retaining ring rigid two prong passivate surface treated key