BBI 448002 SAE Tension Flat Washer, 1/4 in, 0.276 - 0.286 in ID x 0.62 - 0.64 in OD, 0.056 - 0.071 in THK
BBI Tension Flat Washer, SAE, Series: IMPERIAL L9??, 1/4 in Nominal Size, 0.276 - 0.286 in Inside Dia, 0.62 - 0.64 in Outside Dia, 0.056 - 0.071 in Thickness, 15N 82-85 Hardness, Carbon Steel, Zinc Yellow