Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 0449-SS-0 found under Insert Screw Thread by R A F Electronic Hardware Inc. The National Stock Number assigned to this part is 5325015762159, and the Federal Supply Class is 5325 Fastening Devices. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 0449-SS-0.