3. When basting, do not tie knots at any point in the thread length. The sewing should be made with two
stitches per inch.
4. Temporary tacking will usually be made using a length of size E nylon thread. However, an alternate
type thread may be specified within the paragraph applicable to the item.
5. Immediately upon completion of a repair, remove previously made basting or temporary tacking
Stitching and Restitching. Perform stitching and restitching as follows, referring to tables 1 and 2:
1. Parachute canopy assemblies. The stitching and restitching made on parachute canopies should be
accomplished with thread that is contrasting in color to the fabric being restitched. If contrasting color
thread is not available, thread of matching color may be used, providing all other specifications are
met. Straight stitching and restitching on parachute canopy assemblies should be locked by at least
2-inches at each end of a stitch row, when possible. 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. When restitching parachute canopy assemblies, stitch directly over original stitching
and follow the original stitch pattern as closely as possible.
Table 1. Sewing Machine Code Symbols
SEWING MACHINE, INDUSTRIAL: General Sewing; 301 stitch; light-duty,
SEWING MACHINE, INDUSTRIAL: Zig-zag; 308 stitch; medium-duty,
SEWING MACHINE, INDUSTRIAL: Zig-zag; 308 stitch; light-duty,
SEWING MACHINE, INDUSTRIAL: General Sewing; 301 stitch; heavy-duty,
SEWING MACHINE, INDUSTRIAL: General Sewing; 301 stitch; medium-duty,
SEWING MACHINE, INDUSTRIAL: Darning; lock stitch,
SEWING MACHINE, INDUSTRIAL: 301 Stitch; light heavy-duty,
SEWING MACHINE, INDUSTRIAL: 301 stitch; double-needle,
SEWING MACHINE, INDUSTRIAL: BARTACK;