Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 43-96.2055 ITEM 4 found under Bushing Sleeve by Ringfeder Power Transmission Usa. The National Stock Number assigned to this part is 3120015316892, 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 43-96.2055 ITEM 4.