Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 140975-1 found under Block Terminus Cabl by H Koch And Sons Co. The National Stock Number assigned to this part is 1660009612603, and the Federal Supply Class is 1660 Aircraft Air Conditioning Heating And Pressurizing Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 140975-1.