Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 160977 found under Insertion Tool by Ostby Barton Test Probes Division. The National Stock Number assigned to this part is 5120012345705, and the Federal Supply Class is 5120 Hand Tools Nonedged Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 160977.