Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 46LNK-.040 found under Nut Self Locking Cl by Precision Metal Products Inc. The National Stock Number assigned to this part is 5310013649173, and the Federal Supply Class is 5310 Nuts And Washers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 46LNK-.040.