Identity boundary
Labels currently in scope
- 306K
Evidence note: Exact K-model candidate; do not infer 319 or 401 compatibility from family resemblance.
AUDITED CANDIDATE · QUEUE #28
Singer 306K
This dossier also has a public research-cluster page. Publication records the evidence boundary; it does not confirm a shared mechanical platform or part compatibility.
Source audit
1 model-level source lead
- collectorDOCUMENT INDEX
ISMACS Singer service-manual index: 306K
The index names a dedicated 306K service manual; title-page and revision capture are still required before extraction.
service manual · Covers: 306K · Checked 2026-09-07 · Link only
Free demand evidence
17 unique autocomplete leads
US / English snapshot collected 2026-09-07. This measures suggestion breadth only—not monthly search volume.
Singer 306K parts
7 suggestions · ok
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Singer 306K parts diagram
3 suggestions · ok
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Singer 306K manual
10 suggestions · ok
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