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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1.

Improper assembly of vent reinforcement band

101

2.

Vent reinforcement band overlap

Up to 1/4 inch minus Over 1/4 inch minus Over 1/2 inch plus

102

201

202

3.

Vent loop length (finished dimension) Up to 1/2 inch

Over 1/2 inch

103

203

4.

Vent line length (finished dimension) Up to 1/4 inch

Over 1/4 inch

104

204

5.

Variation in vent line length per set

Up to 1 percent

Over 1 percent

105

205

6.

Twisted vent line (flat)

106

7.

Twisted vent line core or coreless braid

Over 360 degrees

Over 360 degrees causing kinks in line when relaxed

107

206

8.

Gore width at vent, measured centerline to centerline on adjacent radial seams

Up to 1/4 inch

207

Over 1/4 inch

108

9.

More or less than the required number of ribbons per gore

109

10.

Spacing of horizontal ribbons (ribbon canopy) Up to 3/16inch

Over 3/16 inch

110

208

11.

Spacing of verticals Up to 1/4 inch Over 1/4 inch

111

209