ASME Y14.3-2003:
4.3 Nonsectioned Items in the Cutting Plane
4.3.1 Sectioning Assembled Items. When the cutting
plane lies along the longitudinal axis of items, such as
shafts, bolts, nuts, rods, rivets, keys, pins, screws, ball
or roller bearings, gear teeth, spokes, and the like, these
parts are not sectioned except when internal construction
is shown. See Fig. 47.
4.3.2 Conventional Section Lining of View. Where the
cutting plane is perpendicular, or cuts across the items
in para. 4.3.1, the sectional view is section lined in the
usual manner.
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