Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 31286-2SF found under Filter Band Pass by Wavetek Rf Products Inc. The National Stock Number assigned to this part is 5915012909505, and the Federal Supply Class is 5915 Filters And Networks. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 31286-2SF.