Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3027 5 found under Bolt Self Locking by Newton Instrument Co Inc. The National Stock Number assigned to this part is 5306012420619, 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 3027 5.