Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 598 81 24 found under Gage Block by Bns Holding Inc. The National Stock Number assigned to this part is 5210012903465, and the Federal Supply Class is 5210 Measuring Tools Craftsmens. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 598 81 24.