Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DOS-EN-2001X5 found under by Hyperox Technologies. The National Stock Number assigned to this part is 3940014290268, and the Federal Supply Class is 3940 Blocks Tackle Rigging And Slings. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like DOS-EN-2001X5.