Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number POS NO.493 L523237 found under Handle Adjusting by De La Rue Currency. The National Stock Number assigned to this part is 3438013975243, and the Federal Supply Class is 3438 Miscellaneous Welding Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like POS NO.493 L523237.