Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2858 found under Bearing And Shaft Assembly by M D Holdings Llc. The National Stock Number assigned to this part is 4130011762436, and the Federal Supply Class is 4130 Refrigeration And Air Conditioning Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 2858.