| # Structure of a multilevel BOM The following example shows a multilevel bill of material.
Manufactured Item: Bicycle
Level | Position | Item | Description | Quantity
1 | 10 / 1 | B | Saddle | 1
1 | 20 / 1 | C | Frame | 1
1 | 30 / 1 | D | Wheel | 2
2 | 10 / 1 | E | Spokes | 35
2 | 20 / 1 | F | Hub | 1
A | Manufactured Item Bicycle
B | Purchased Part Saddle
C | Purchased Part Frame
D | Manufactured Part Wheel
E | Spokes
F | Hub
Manufactured item D (wheel) is a phantom item. The following example shows a Where - Used multilevel bill of material.
Item: Spoke
Item level | Spoke Manufactured Item | Position | Description | Quantity
1 | B1 | 20/1 | Front Wheel | 30
.2 | M1 | 30/1 | Men's City Bike | 60
.2 | M2 | 60/1 | Tandem Tour Ladies | 60
.2 | M3 | 70/1 | Tandem Tour Men | 60
.2 | M4 | 60/1 | Tandem Tour Family | 60
1 | B2 | 20/1 | Rear Wheel | 30
.2 | M1 | 30/1 | Men's City Bike | 60
.2 | M2 | 60/1 | Tandem Tour Ladies | 60
.2 | M3 | 70/1 | Tandem Tour Men | 60
.2 | M4 | 60/1 | Tandem Tour Family | 60
A | Purchased Part Spoke
B1 | Front wheel
B2 | Rear wheel
M1 | Manufactured item City Bike
M2 | Manufactured item Tandem Tour Ladies
M3 | Manufactured item Tandem Tour Men
M4 | Manufactured item Tandem Tour Family
Related topics Structure of a summarized BOM Structure of a single-level BOM |