TM 10-1670-296-20&P 0010 00 0010 00-3 1. Stitching and restitching on items constructed from cloth, canvas, and webbing should be accomplished with thread that matches the color of the original stitching, when possible. Backstitching at least ½-inch should lock all straight stitching. Restitching should be locked by overstitching each end of the stitch formation by ½-inch. Zig-zag stitching does not require locking; however, zig-zag restitching should extend at least ¼-inch into undamaged stitching at each end, when possible. Restitching should be made directly over the original stitching, following the original stitch pattern as closely as possible. 2. Darning. (Refer to Table 1.) Darning is a sewing procedure used to repair limited size holes, rips, and tears in assorted airdrop items constructed from textile, cloth and reinforcement webbing of packs. A darning repair may be made either by hand or sewing machine, depending upon the method preferred and the availability of equipment. However, a darning machine should be used to darn small holes and tears where fabric is missing. Darning of previously patched material can be performed provided darning size limitations prescribed in the paragraph applicable to the item are not exceeded. A darning repair will be performed using the following procedures, as appropriate: a. Machine darning. Proceed as follows: (1) Using an authorized marking aid of contrasting color, mark a square around the damaged area and ensure that the marking is at least ¼-inch back from each edge of the damaged area. The marking will be made with the warp and the filling of the material. (2) Darn the damaged area by sewing the material in a back-and-forth manner, using size A or E nylon thread, allowing the stitching to run with the warp or filling of the fabric. (3) Turn the material and stitch back and forth across the stitching made in (b) above until the hole or tear is completely darned.
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