Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number M2-0056TYOE1 found under Lock Flush by National Lock Co. The National Stock Number assigned to this part is 5340000280188, 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 M2-0056TYOE1.