Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 9987-904 ITEM 39 found under Bushing Sleeve by Woodward Machine Corporation. The National Stock Number assigned to this part is 3120012728371, 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 9987-904 ITEM 39.