A cross reference is a starting point for replacement research
Updated 2026-10-26 · Compiled with AI and reviewed against the linked sources.
A cross-reference entry connects two component identities through a recorded source. The practical question is what that source supports—and which checks remain before the proposed alternative can be used.
Start with the document behind the result. Check its date, the exact part numbers, whether it describes an individual product or a series, and any conditions attached to the mapping. A historical reference can be useful without establishing current availability.
Next, separate the recorded relationship from application approval. Review the current specifications, form, fit, function, ratings, materials and approvals needed for the actual design. A distributor substitution label and a manufacturer drawing serve different purposes; keep their provenance clear.
Do not extend a mapping transitively. A recorded connection between A and B and another between B and C does not establish that A and C are interchangeable. Evaluate each candidate against the starting part and your application.
ExactCross preserves source notes and links where available and labels user-provided references. Those labels describe provenance, not a guarantee of equivalence. Use the result to organize research and document the final engineering decision.
Find recorded candidates at https://exactcross.com/ and read how the data is presented at https://exactcross.com/about-data.html.