Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 57930-15 found under Tubing Nonmetallic by Curtin Matheson Scientific Inc. The National Stock Number assigned to this part is 4720001274565, 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 57930-15.