OEM PART · case

161821 Early-model attachment box

Documented for Singer 600E-11 / 600E-14 / 600E-16

Review complete

Documented model fitments

Singer 600E-11 / 600E-14 / 600E-16

Confirmed document row · independently blind-reviewed · PDF page 2 · Attachment Set 161794 (early model)List of Parts — Machines Nos. 600E-11, 600E-14 and 600E-16 · external source, link-only

Boundary: The document distinguishes this early-model box from No. 161820 in the later attachment set.