Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 941 1 1 found under Filter Low Pass High Pass Band Pass by Epsco Inc. The National Stock Number assigned to this part is 5915012934073, 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 941 1 1.