ACCORDING TO: Drafting Requirements Manual for Departments of Defense & Industry by: Jerome Lieblich, Seventh Edition, Chap.10, Pg.10-18, Paragraph:10-7.3.3.3: "Parent Part Numbered Dash Number Entry: When entering dash numbered parts of the parent drawing, the parent drawing number is omitted...
A small assembly drawing for a VICD have two -99,-98 items listed on the drawing parts list to identify what is a item 1 and 2 as shown on the Assembly. These "parent part dash numbers" denote and detail what composes the assemblies'sub-components. And, shown separately on subsequent sheet 2 in...