Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SK1558RH found under Coil by Unifab Industries Inc. The National Stock Number assigned to this part is 2540001335678, and the Federal Supply Class is 2540 Vehicular Furniture And Accessories. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SK1558RH.