z Dimension

[ddame1966]

I have a dimension on a drawing called out as "z 8", it points to the edge of the part. This is on a part that is protruding from the inside of a cylinder. Any idea what this means?

 

[powerhound]

Is the part tapered? The lowercase z translates into a taper symbol when the AIGDT font is used.

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[ddame1966]

It doesn't appear to be. Although it could be a taper between the id of the cylinder and the lug. The lug is a tab on the inside on the unit about 4" wide by 1" think. The callout is pointing to the line where the lug meets the id.

I will check out the taper symbols. You may be on to something. Thanks.