Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BACC10Y20P12C found under Bolt U by Mamco Mfg Co Inc. The National Stock Number assigned to this part is 5306012197152, and the Federal Supply Class is 5306 Bolts. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like BACC10Y20P12C.