Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 550 077 04 71 found under Bolt Machine by Detroit Diesel Corporation. The National Stock Number assigned to this part is 5306014509668, 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 550 077 04 71.