Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S1053K20T132-00 found under Hose Air Duct by Textron Aviation Inc. The National Stock Number assigned to this part is 4720002157739, 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 S1053K20T132-00.