Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number IPD1S7579 found under Bearing Set by Industrial Parts Corp. The National Stock Number assigned to this part is 3120009995021, 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 IPD1S7579.