Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 8387787 found under Boltmachine by Electro Motive Diesel Inc. The National Stock Number assigned to this part is 5306016820450, 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 8387787.