Unit 4 Title Blocks and Notes 55 Copyright Goodheart-Willcox Co., Inc. Parts List The parts list is a listing of parts needed for manufacturing a product. See Figure 4-11. Parts lists are common with assembly drawings. Other names for a parts list are material list, bill of materials, or parts schedule. The information found in a parts list includes the following: ■ ITEM—Item number, fi nd number, or key that directs the print reader to a specifi c part on the assembly drawing. A number in a circle with a leader line is the common way to note an item on a drawing. ■ PART NUMBER—Part number (PART NO.) or part identifi cation number (PIN) refers to the actual manufacturer’s part number, including parts from other sources. ■ DESCRIPTION—Description or part name indicates the actual name of that item in the assembly. Usually, the description consists of one or several words that describe the part. ■ QUANTITY—Quantity (QTY) or quantity required (QTY REQD) column contains the actual number of parts required for the assembly. ■ MATERIAL—Material (MAT) column contains a commercial description of the material specifi ed. Notes Notes on a drawing provide additional data and information not found elsewhere on the drawing. There are two types of notes used on a drawing—general notes and local notes. General notes provide general information that is relevant to the whole drawing. Local notes provide additional information that relates to a specifi c part or feature. Notes provide information such as heat-treat directions, machining directions, fi nish requirements, measuring requirements, and other specifi cations. It is best to read notes before studying the views of the part because they may advise you of certain requirements or restrictions regarding Goodheart-Willcox Publisher The revision status block, shown only on the first sheet of a set of drawings, records all of the revisions of the sheet set. Figure 4-10 Revision character Sheet number Goodheart-Willcox Publisher A parts list contains descriptions and quantities of specific parts needed for manufacturing a product. Figure 4-11