Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S54S253F 883B found under Microcircuit Digital by Ets Lindgren Inc. The National Stock Number assigned to this part is 5962011209335, and the Federal Supply Class is 5962 Microcircuits Electronic. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like S54S253F 883B.