Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number L19025D2 found under Compressor Unit Reciprocating by Stewarts Tool And Die Co Inc. The National Stock Number assigned to this part is 4310007931034, 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 L19025D2.