Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S39012-0330C found under Hose Assembly Nonme by Smiths Tubular Systems Laconia Inc. The National Stock Number assigned to this part is 4720004402516, 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 S39012-0330C.