Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 9M5475 found under Compressor Reciprocating by Caterpillar Inc. The National Stock Number assigned to this part is 4310008640055, and the Federal Supply Class is 4310 Compressors And Vacuum Pumps. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 9M5475.