Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 27490PC3C found under Socket Flagstaff by Columbian Bronze Corp. The National Stock Number assigned to this part is 2040002639033, and the Federal Supply Class is 2040 Marine Hardware And Hull Items. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 27490PC3C.