MIL-DTL-3372G
Table I. End item visual examination (continued).
Classification
Examine
Defect
Major
Minor
A
B
more skipped stitches occur consecutively
309
NOTE: Skipped stitches not overstitched shall
be classified as open seams
One or more required rows of stitching
omitted (except on boxstitching)
109
Boxstitching
Incomplete:
-one row of stitching omitted
310
two or more rows of stitching omitted
208
Any boxstitching less than specified
length by more than 1/8 inch
311
Stitching ends
Overstitched less than 1 inch on
stitch type 301 (except where ends
are held down by other stitching,
turned under a hem, or where
stitching is performed automatically)
209
Secured with less than 3 tying, over-
lapping or backstitches where automatic
stitching is performed
312
Secured with less than ¼ inch of
backstitching, overstitching or by an
increased number of stitches at the end
of stitch type 304, 503, 504, or 505
313
Seam type
Wrong seam type
110
Stitch type
Wrong stitch type
210
Stitch tension
Loose, resulting in exposed bobbin
or top thread for more than 2 inches
314
Tight, as evidenced by puckering of
fabric for more than 2 inches
211
Stitches per inch
Less than minimum specified:
-one stitch
315
two or more stitches
212
NOTE: Variation in the number of stitches per
inch caused by the operator speeding
up the machine and pulling the fabric in
order to sew over heavy places or in turning
8
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