Structure of a single-level BOM

The following example shows a single-level bill of material.

Manufactured Item: Bicycle
Position Item Description Quantity
10 / 1 B Saddle 1
20 / 1 C Frame 1
30 / 1 D Wheel 2
A Manufactured Item Bicycle
B Purchased Part Saddle
C Purchased Part Frame
D Manufactured Part Wheel

The wheel is in turn composed of components (spokes, a hub), but these are not shown on the single-level BOM.

The following example shows a Where - Used single-level bill of material.

Item: Woman's Saddle
Manifactured Item Position Description Quantity
M1 30/1 Lady's City Bike 1
M2 60/1 Tandem Tour Ladies 1
M3 70/1 Tandem Tour Ladies 1
M4 70/1 Tandem Tour Family 1
A Purchased part Woman's Saddle
M1 Manufactured item Lady's City Bike
M2 Manufactured Tandem Tour Ladies
M3 Manufactured Tandem Tour Ladies
M4 Manufactured Tour Family