Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D8191PC3 found under Regulator Frequency by Bogue Systems Inc. The National Stock Number assigned to this part is 6110003755048, and the Federal Supply Class is 6110 Electrical Control Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like D8191PC3.