Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 90-002C3 found under Nut Self Locking Ai by Sps Technologies Inc. The National Stock Number assigned to this part is 1680014826552, and the Federal Supply Class is 1680 Miscellaneous Aircraft Accessories And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 90-002C3.