Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 66E40117-1 found under Plug Blower Air Inl by San Antonio Air Logistics Center. The National Stock Number assigned to this part is 4730009287203, and the Federal Supply Class is 4730 Hose Pipe Tube Lubrication And Railing Fittings. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 66E40117-1.