Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D42-11-002 found under Washer Flat by Woods T B Sons Co. The National Stock Number assigned to this part is 5310013450944, 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 D42-11-002.