Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MKA12INX25FT found under Hose Air Duct by Automation Industries Inc. The National Stock Number assigned to this part is 4720005080826, 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 MKA12INX25FT.