Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number LN40745M54X1 5LH found under Nut Self Locking Ro by Shur Lok Corporation. The National Stock Number assigned to this part is 5310014226998, 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 LN40745M54X1 5LH.