{"product_id":"needle-plate-locating-plunger-82171-release-pin-singer-29k-29u-cobbler-machines","title":"Needle Plate Locating Plunger #82171 - Release Pin | Singer 29K, 29U Cobbler Machines","description":"\u003cp\u003eReplacement needle plate locating plunger — Part #82171. An alignment pin used in the needle plate and pinion assembly of Singer 29K and 29U industrial shoe patcher (cobbler) machines. Locks and releases the needle plate for maintenance and repositioning during directional leather sewing.\u003c\/p\u003e\u003ch2\u003eFunction\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlignment:\u003c\/strong\u003e Centers the needle plate over the pinion and shuttle mechanism for accurate 360-degree directional stitching\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelease:\u003c\/strong\u003e Allows quick disengagement or repositioning of the needle plate without full disassembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStability:\u003c\/strong\u003e Prevents plate shift under high sewing pressure, maintaining stitch consistency and preventing needle strikes\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhen to Replace\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eNeedle plate becomes loose or shifts during sewing\u003c\/li\u003e\n\u003cli\u003eRelease mechanism fails to hold the plate securely\u003c\/li\u003e\n\u003cli\u003eVisible wear or damage to the plunger\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eRelated Parts\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eLocating Plunger Spring — Part #82172 (provides seating tension)\u003c\/li\u003e\n\u003cli\u003eReleasing Lever — Part #82173\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCompatibility\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSinger 29K71, 29K73\u003c\/li\u003e\n\u003cli\u003eSinger 29U171A, 29U172A, 29U173A\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DMN","offers":[{"title":"Default Title","offer_id":42561543241826,"sku":"82171","price":9.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/4681\/files\/IMG_2432.jpg?v=1771003539","url":"https:\/\/www.vintagesingerparts.com\/en-au\/products\/needle-plate-locating-plunger-82171-release-pin-singer-29k-29u-cobbler-machines","provider":"Central Michigan Sewing Supplies","version":"1.0","type":"link"}