Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number GFD 102E 520 4950HZ found under Filter Low Pass by Quanta Systems Corp. The National Stock Number assigned to this part is 5915012175904, 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 GFD 102E 520 4950HZ.