Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SS649L found under Spacer Sleeve by Rexnord Industries Llc. The National Stock Number assigned to this part is 5365005736592, and the Federal Supply Class is 5365 Bushings Rings Shims And Spacers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SS649L.