Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D11112 found under Contact Assembly by Siemens Energy And Automation Inc. The National Stock Number assigned to this part is 4310000154437, 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 D11112.