Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 13083319 FIND NO. 4 found under Bushing Sleeve by Program Manager Advanced Attack. The National Stock Number assigned to this part is 3120012706901, and the Federal Supply Class is 3120 Bearings Plain Unmounted. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 13083319 FIND NO. 4.