#4 x 1/4″ x 0.023 MS15795-803 Flat Washer Stainless Steel 18-8
Washer Sizing: Washer sizes are nominal (sized for the bolt that the washer will fit). Fastener Type: Flat Washer. Material: Stainless Steel 18-8. Average Piece Weight: 0.0002000 lbs. Finish: Plain Finish (No Plating).