Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BACW10BP20P found under Washer Flat by Moeller Manufacturing And Supply Inc. The National Stock Number assigned to this part is 5310012362139, and the Federal Supply Class is 5310 Nuts And Washers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like BACW10BP20P.