Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number UPA32015-2 found under Disk Brake Shoe by General Atomics Aeronautical Sys. The National Stock Number assigned to this part is 1630015114688, and the Federal Supply Class is 1630 Aircraft Wheel And Brake Systems. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like UPA32015-2.