Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 200WS12 found under Seal Plain Encased by Browning Crane And Shovel Co. The National Stock Number assigned to this part is 5330006412850, and the Federal Supply Class is 5330 Packing And Gasket Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 200WS12.