Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 53D390079-9 found under Bearing Plain Assembly by Monogram Aerospace Fasteners Inc. The National Stock Number assigned to this part is 3120013360854, 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 53D390079-9.