MIL-STD-849B
TABLE XV. Classification of defects - solid and extended skirt parachute canopies - cargo - Continued.
Classification
No. Defect Major/Critical Minor
12. Open seam 114
NOTE: Seams will be classified as open when one or more stitches joining a seam are broken or when two or more skipped stitches occur. Conditions repaired by either restitching or overstitching as specified will not be scored as a defect.
13. Underfold (raw edge in main or cross seams) 115
14. Overfold in main seam
Up to 1/2 inch or extended into center channel 116
Over 1/2 inch 210
15. Underfold in main seam
A 4-needle seam not caught by 3 rows of stitches by at
least 1/16 inch 117
3 intermittent underfolds of a 2-needle seam up to 2 inches
long and less than 12 inches apart 211
More than 3 intermittent underfolds 1/4 inch wide or over
2 inches long and less than 12 inches apart 118
Underfold more than 6 inches in length 119
16. Overfold and underfold in cross seam
Underfold 1/8 to 3/16 inch regardless of length 212
Overfold more than 1/4 inch regardless of length 213
17. Fullness in seam width
Main seam
1/8 to 1/2 inch 214
Over 1/2 inch 120
Cross seam
1/8 to 1/4 inch 215
Over 1/4 inch 121
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