Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 34555-31 found under Seat Helical Compre by 3M Company. The National Stock Number assigned to this part is 5340012440310, 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 34555-31.