Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A59452-1-I-X-XXX found under Hose Metallic by Federal Commercial Item Description. The National Stock Number assigned to this part is 4720002788031, 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 A59452-1-I-X-XXX.