Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HIAB345-4754 found under Cylinder Outer Boom by Atlas Polar Company Limited. The National Stock Number assigned to this part is 2590012235692, and the Federal Supply Class is 2590 Miscellaneous Vehicular Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like HIAB345-4754.