Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 391-112-32 found under Meter Frequency And Time Totaliz by Fei Zyfer Inc. The National Stock Number assigned to this part is 6695016250610, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 391-112-32.