Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 48-22M found under Pin Lock by Lamson And Sessions Co. The National Stock Number assigned to this part is 5315000816624, and the Federal Supply Class is 5315 Nails Machine Keys And Pins. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 48-22M.