MIL-DTL-29396B(MC)
Classification
Examine
Defects
Major
Minor
A
B
Seams and
d. Raw edges:
stitching
1. On outside:
(cont'd)
318
- up to 1/8
inch
inclusive.
237
- more than
1/8 inch but
not more than 1/4
inch.
121
- more than
1/4 inch.
2. On inside:
319
- more than 1/8 inch but
not more than 1/4 inch.
238
- more than 1/4 inch.
NOTE:
Raw edges shall be classified as such when they occur at
places where an edge is required to be turned under.
Raw edges not caught in stitching shall be classified as
an open seam.
e. Run-offs (see classification
of open seams).
f. Stitch tension:
1. Loose tension resulting in
122
loose seam.
2. Loose tension on raised or
239
edge stitching, resulting in
loosely exposed bobbin or top
thread.
3. Tight tension (stitches
123
break when normal strain is
applied).
NOTE:
Puckering is evidence of tight tension. When puckering
is evident, the inspector shall test seam by exerting
pull in lengthwise direction of seam.
g. Stitches per inch (excluding
labels).
1. Less than minimum
specified:
320
- one or two stitches.
240
- three stitches.
124
- four or more stitches.
52
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