MIL-DTL-44476A(GL)
3.3.1.1.1 Repairs of type 301 stitching. Repairs of type 301 stitching shall be as follows:
a. When thread breaks or bobbin run-outs occur during the stitching, the stitching shall
be repaired by restarting the stitching a minimum of 1 inch (1/2 inch for box-x and W-W
stitching) from the end of the stitching. 1/
b. Thread breaks or two or more consecutive skipped or run-off stitches noted during
inspection of the item (in-process or end item) shall be repaired by overstitching. The stitching
shall start a minimum of 1 inch from the defective area, (1/2 inch for box-x and W-W stitching),
continue over the defective area, and continue a minimum of 1 inch (1/2 inch for box-x and W-W
stitching) beyond the defective area onto the existing stitching. Loose or excessively tight
stitching shall be repaired by removing the defective stitching, without damaging the materials,
and restitching in the required manner. 1/
1/ When making the above repairs, the ends of the stitching are not required to be backstitched.
3.3.1.2 Automatic stitching. Automatic stitching machines mabe used to perform any of
the required stitch patterns provided the requirements for the stitch pattern, stitches per inch, and
size and type of thread are met; and at least three or more tying, overlapping, or back stitches are
used to secure the ends of stitching.
3.3.2 Thread ends. All thread ends shall be trimmed to a maximum length of 1/4 inch.
3.4 Repairs. Repairs such as mends, darns, patches, or splices are not permitted on the
container.
3.5 Replacement of defective components. During the spreading, cutting and manufacturing
process, components having material defects or damages that are classified as defects in table I
shall be removed from production and replaced with nondefective and properly matched
components.
3.6 Workmanship. The finished and assembled containers shall conform to the quality of
product established by this specification.
4. VERIFICATION
4.1 Classification of inspections. The inspection requirements specified herein are classified
as follows:
a. First article inspection (see 4.2)
b. Conformance inspection (see 4.3)
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