MIL-STD-849 Inspection Requirements, Definitions And Classification Of Defects For ParachutesThis standard establishes the inspection requirements and a standard classification of manufacturing and final assembly defects for parachutes.

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MIL-STD-849B

TABLE III. Classification of defects - solid and extended skirt parachute canopies - personnel - Continued.

Classification No. Defect Major/Critical Minor

Over 1/4 inch 186

Zigzag stitches where less than 85 percent of the stitches penetrate through suspension lines 187

Tension too loose or too tight, up to 3 inches per seam 248

Tension too loose or too tight, over 3 inches per seam 188

Kinks, intermittent, less than 2 inches apart 249

Stitch pattern lengths not as specified (stitch patterns up to 5 inches long)

Up to 1/8 inch longer or shorter 250

Over 1/8 inch shorter 189

Over 1/8 inch longer 251

Stitch pattern lengths not as specified (stitch patterns over 5 inches long)

254

Skirt band 1 per 600 inches 1 per 100 inches

49.	Length of splices and repairs to stitches
	Overlap less than 2 inches	192
	Overlap from 4 inches to 7 inches		255
	Overlap more than 7 inches	193

50. Needle damage (cuts or chews)

Up to 1/8 inch long and 1 per canopy up to 35 feet in diameter 256