Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TWO4S30S3000-120 found under by Specialty Hose Corp. The National Stock Number assigned to this part is 4720016271351, 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 TWO4S30S3000-120.