{"product_id":"original-viking-color-matic-cam-b-seam-former-b-brown-part-4115831-01","title":"Original Viking Color-Matic Cam B (Seam Former B) - Brown - Part # 4115831-01","description":"\u003cp\u003eOriginal vintage Husqvarna Viking Color-Matic Cam B (Brown), also known as the \u003cstrong\u003eSeam Former B\u003c\/strong\u003e or pattern programmer. This is the removable three-prong style cam used to produce programmed stitches on compatible Husqvarna Viking mechanical sewing machines.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOEM Part #:\u003c\/strong\u003e 4115831-01 (documented for Cam B in Viking 6440-era literature, part of the A–F seam former sequence)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDocumented stitch functions (Brown Cam B):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDouble overlock stitch\u003c\/li\u003e\n\u003cli\u003eRic-rac stitch\u003c\/li\u003e\n\u003cli\u003eDouble-action stitch\u003c\/li\u003e\n\u003cli\u003eSerpentine stitch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNote: These are documented stitch functions from Viking literature. The product photographs showing the four colored stitch symbols on the cam face are the best visual reference for the exact patterns.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for Husqvarna Viking mechanical sewing machines equipped with the rear three-prong System Color-Matic programmer socket. This cam belongs to the Viking 6000 \/ Husqvarna 2000 mechanical-machine family documented in Viking 6440-era literature. Compatibility depends on the machine having the correct rear three-prong Color-Matic socket — not all Viking models beginning with 6 use this system. Not compatible with the earlier Husqvarna Automatic 21 cam system or the electronic cassette system used by the Viking 6690.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e This listing is specifically for the \u003cstrong\u003eBrown\u003c\/strong\u003e Cam B. CMSS has confirmed from physical inventory that the Brown and White Cam B display different stitch patterns and are maintained as separate listings. If you are looking for the White Cam B, please search our store separately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBuyer identification guidance:\u003c\/strong\u003e Before ordering, compare the B marking, brown color, four colored stitch symbols on the cam face, three-prong mounting configuration, and product photographs with your original cam and your machine’s rear Color-Matic programmer socket.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e Pre-owned vintage original part.\u003c\/p\u003e","brand":"CMSS","offers":[{"title":"Default Title","offer_id":43177972727906,"sku":"VO1901","price":19.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/4681\/files\/IMG_3621.jpg?v=1786024287","url":"https:\/\/www.vintagesingerparts.com\/en-ca\/products\/original-viking-color-matic-cam-b-seam-former-b-brown-part-4115831-01","provider":"Central Michigan Sewing Supplies","version":"1.0","type":"link"}