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

39.	Twist between line reinforcement at skirt and 3-inch zigzag stitching
	above the skirt, when suspension lines are continuous through canopy
	(measured by pulling line under 5 pounds of tension between vent and
	line reinforcement and observing the rotation of zigzag stitching)
	90 to 180 degrees	239

Over 180 degrees 166

Line not placed between 2 ply's of material 167

40. Variation in suspension line length between skirt and attaching point

Up to 1 percent 240

Over 1 percent 168

41.	Variation in suspension line length per set between skirt and
	attaching point
	Up to 1/2 percent		241
	Over 1/2 percent	169

1 stitch per inch over or under the number specified, up to 2