Engineering glossary

STEP AP242

An application protocol in the STEP family for managed model-based 3D engineering exchange. The information transferred depends on protocol edition, exporter settings and implementation.

Reviewed 1 October 2026

In a revision review

Choosing AP242 does not guarantee usable semantic PMI.

Related workflow

Use the glossary to interpret the review record. The applicable drawing, contract and standard remain the authority for acceptance.

Sources and further reading