TM 10-5410-230-13
b. Stitching Ends. The ends of all type 301 and type 401 stitching shall be back stitched not less than one
inch unless turned under by a hem or held down by other stitching. Where 301 stitchings performed
automatically on stitch patters such as box, box with cross-stitch, "W' stitching or straight line tacking, at least
three tying, overlapping, or back stitches shall be used to secure the ends of stitching. For size FF or F thread
use 6 to 8 stitches per inch, unless otherwise specified, stitch type shall be type 301 per FED-STD-751. Fuse all
exposed ends of nylon webbing to prevent fraying. Avoid forming sharp edges.
c. Skipped Stitches. Two or more consecutively skipped stitches occurring in type 301 stitching shall be
overstitched not less than one inch. Any skipped stitches in type 401 stitching may be overmxitched with type
301 stitching. Skipped stitches noted during inspection shall be repaired as specified for thread breaks in a.,
above.
d. Stitching Tolerances. Unless otherwise specified, tolerances shall be as follows:
1/8 inch or more but less than 2 inches ..............................1/16
2 inches or more but less than 10 inches ..............................1/8
10 inches or more but less than 30 inches ...........................1/4
30 inches or more but less than 60 inches ............................3/8
60 inches or more.................................................................1/2
5-6. AUTOMATIC STITCHING. Automatic stitching machines may be used to perform any of the required
stitch patterns. However, the requirements of the stitch pattern, stitches per inch, and size and type of thread
must be met. At least three or more overlapping, tying, or backstitches shall secure the ends of the stitching.
5-2
