Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 28056481 found under Block Half Rack Sto by Alliant Techsystems Operations Llc. The National Stock Number assigned to this part is 5340014737245, and the Federal Supply Class is 5340 Hardware Commercial. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 28056481.