Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number KTRFE-5284-U found under Housing Electrical by The Entwistle Company. The National Stock Number assigned to this part is 2990012164555, and the Federal Supply Class is 2990 Miscellaneous Engine Accessories Nonaircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like KTRFE-5284-U.