Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DRA72066 found under Spring Spiral Torsi by Unisys Corporation. The National Stock Number assigned to this part is 5360007322385, and the Federal Supply Class is 5360 Coil Flat Leaf And Wire Springs. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like DRA72066.