{"product_id":"premium-replacement-feed-dog-281946-nr421-for-singer-300u-model-nr-united-sewing-machine","title":"Feed Dog 281946=NR421 for Singer 300U Model NR United Sewing Machine","description":"\u003cp\u003eFeed Dog (281946 \/ NR421) for Singer 300U\u003cbr\u003e\nEnsure powerful and consistent material transport with this Feed Dog (Part #281946). Specifically engineered for the Singer 300U and United Sewing Machine NR models, this feed dog is the primary component for moving heavy mattress materials and thick fabrics through the sewing area.\u003c\/p\u003e\n\n\u003cp\u003eThis part is also identified by and interchangeable with part number NR421.\u003c\/p\u003e\n\n\u003cp\u003eKey Features \u0026amp; Benefits\u003cbr\u003e\nAggressive Tooth Profile: Features precision-milled teeth designed to grip dense materials, such as mattress ticking and heavy webbing, without slipping or damaging the fabric.\u003c\/p\u003e\n\n\u003cp\u003eDual Part Compatibility: A direct replacement for both #281946 and #NR421, ensuring a perfect fit across different iterations of the 300U and United NR series.\u003c\/p\u003e\n\n\u003cp\u003eHardened Tool Steel: Manufactured from high-carbon steel and heat-treated to maintain sharp tooth edges even after millions of cycles against abrasive industrial fabrics.\u003c\/p\u003e\n\n\u003cp\u003eSynchronized Feeding: Engineered to work in perfect harmony with the needle and presser foot movement, ensuring uniform stitch length and preventing material \"puckering.\"\u003c\/p\u003e","brand":"Universal","offers":[{"title":"Default Title","offer_id":48314030653689,"sku":"281946","price":25.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/6733\/3113\/files\/Singer_Premium_Replacement_Parts.jpg?v=1776585850","url":"https:\/\/empenzoamericas.com\/products\/premium-replacement-feed-dog-281946-nr421-for-singer-300u-model-nr-united-sewing-machine","provider":"Empenzo Americas Corp.","version":"1.0","type":"link"}