Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 12X1 5DIN73378-PA11WSWLT found under Tubing Nonmetallic by Din Deutsches Institut Fuer Norm. The National Stock Number assigned to this part is 4720121986974, and the Federal Supply Class is 4720 Hose And Flexible Tubing. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 12X1 5DIN73378-PA11WSWLT.