Parts Catalog 7-17. Parts CatalogHow to use this parts catalogThe following legend is used in the parts catalog:• Asm-index: identifies the assembly and the item in the diagram. For example, 3-1 indicatesassembly 3 and the item number 1.• Part number: identifies the unique number that identifies this FRU.• Units/mach: refers to the number of units actually used in the machine or product.• Units/FRU: refers to the number of units packaged together and identified by the part number.• NS: (Not shown) in the Asm-Index column indicates that the part is procurable but is notpictured in the illustration.• PP: (Parts Packet) in the parts description column indicates the part is contained in a partspacket.• Model information used in the parts catalog.Asm-IndexPartnumberUnits/machUnits/FRU DescriptionMachine typeand model7014-431 X463de7014-637 X466de and X466dte7014-63w X466dwe7014-636 X464de / 3333dn, 3335dnMFG Model / Dell Model