ASME Y14.100:17 pdf download.ENGINEERING DRAWING PRACTICES.
4.5 Size and Format of Engineering Drawings
4.5.1 Metric. Metric drawing sheet sizes and format shall be in accordance with ASME Y14.IM.
4.5.2 Decimal Inch. Decimal inch drawing sheet sizes and format shall be in accordance with ASME Y14.1.
4.6 Application Data
When used, application data with “Next Assembly” and “Used On” columns are required for drawings whose detail part or assembly depicted thereon is for an element of a larger item. The “Next Assembly” (“NEXT ASSY”) column shall show the drawing number(s), part, or identifying number (PIN) of the next higher assembly(ies) to which the drawing applies. The “Used On” (“USED ON”) column shall show the model number or equivalent designator of the assembled unit(s) of which the part is an element. The application data shall be located near the title block on sheet 1, placed on a separate referenced document, or provided on a separate parts list. When the application data appears on a separate referenced document, a cross-reference note shall be included on each parent drawing to indicate that a separate referenced document is available. When application data are included on a separate parts list, expand the note required by ASME Y14.34 to read similar to the following:
SEE SEPARATE PARTS LIST FOR PARTS AND APPLICATION DATA.
4.7 Preparation of Duplicate Original
Duplicate originals shall not be prepared for the purpose of maintaining duplicate records. Their application is limited to replacing lost original drawings.
4.8 Line Conventions and Lettering
Lines and lettering shall be in accordance with ASME Y14.2.
4.9 Single, Multiple, and Sectional View Drawings
Single, multiple, and sectional views shown on engineering drawings shall be in accordance with ASME Y14.3.
4.10 Isometric and Pictorial Views
Isometric or pictorial views shall be in accordance with ASME Y14.3 and may be shown on engineering drawings provided that clarity is not degraded.
4.11 Projection Systems
Projection systems and associated symbols shall be in accordance with ASME Y14.3.
4.12 Dimensioning and Tolerancing
Dimensioning and tolerancing shall be in accordance with ASME Y14.5.
4.13 Surface Texture
Surface texture, waviness, and lay shall be indicated in accordance with ASME B46.i.
4.13.1 Surface Texture Symbols. Surface texture symbols shall be in accordance with ASME Y14.36M.
4.14 Screw Thread Representation
Screw threads shall be represented in accordance with ASME Y14.6.
4.15 Gears
Gears shall be delineated in accordance with ASME Y14.7.1 and ASME Y14.7.2.
4.16 MechanicaL Springs
Mechanical springs shall be delineated in accordance with ASME Y14.13M.
4.17 Optical Elements and Optical Systems
Optical elements and optical systems shall be delineated in accordance with ASME Y14.18M.
4.18 Castings, Forgings, and Molded Parts
Castings, forgings, and molded parts shall be delineated in accordance with ASME Y14.8.ASME Y14.100 pdf download.