Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 385 4100 12 found under Electronic Module Standardized by Fei Zyfer Inc. The National Stock Number assigned to this part is 5963016703194, and the Federal Supply Class is 5963 Electronic Modules. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 385 4100 12.