Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 104731649 found under Retainer Helical Compression Spr by Messier Dowty. The National Stock Number assigned to this part is 5340011723730, 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 104731649.