Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 6549P found under Nut Bearing by Curtiss Wright Corp. The National Stock Number assigned to this part is 5310003988680, 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 6549P.