Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TA520WD9-19 found under Clamp Loop by Associated Spring Barnes Group Inc. The National Stock Number assigned to this part is 5340011575861, 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 TA520WD9-19.