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.

Pages 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 - 11 - 12 - 13 - 14 - 15 - 16 - 17 - 18 - 19 - 20 - 21 - 22 - 23 - 24 - 25 - 26 - 27 - 28 - 29 - 30 - 31 - 32 - 33 - 34 - 35 - 36 - 37 - 38 - 39 - 40 - 41 - 42 - 43 - 44 - 45 - 46 - 47 - 48 - 49 - 50 - 51 - 52 - 53 - 54 - 55 - 56 - 57 - 58 - 59 - 60 - 61 - 62 - 63 - 64 - 65 - 66 - 67 - 68 - 69 - 70 - 71 - 72 - 73 - 74 - 75 - 76 - 77 - 78 - 79 - 80 - 81 - 82 - 83

MIL-STD-849B

TABLE VII.  Classification of defects - personnel parachute harnesses, risers, static lines, bridle lines, straps, lanyards, and pockets.

   Classification         No.                  Defect                                                                                 Major/Critical     Minor

1.        Variations in lengths (finished dimensions leg strap, diagonal back straps and risers)

Up to 1 inch                                                                                                             201

Over 1 inch                                                                                      101

Static lines

Up to 1-1/2 inches                                                                                             202

Over 1-1/2 inches                                                                      102

2.         Incorrect or defective material                                                              103

3.         Twisted back, chest, or leg straps                                                          104

4.         Ends of webbing, tape, and cord not seared, waxed,

scissor cut or serged as specified                                                                                   203

5.         Stitching

1 stitch per inch over or under the number specified,

up to 2 inches in length                                                                                      204

1 stitch per inch over or under the number specified,

over 2 inches in length                                                               105

More than 1 stitch per inch over or under the number

specified and over 2 inches in length                                        106

Broken, missing, or skipped stitches up to 1/2 inch in any

one place                                                                                                            205

NOTE:  None permitted in risers or leg and chest straps. Broken stitches caused by needle penetrations by an

over stitching pattern (for example, bartack or cross box)

will not be scored as defects.

Loops in stitching due to stitching over varying thickness of webbings

3/16 to 3/8 inch in length                                                                                   206

Over 3/8 inch in length                                                              107

Missing or incomplete stitch pattern (for example, bartack

or cross box)                                                                              108

Runoff, 2 or more stitches off webbing                                           109

Missing backstitch                                                                           110

Backstitch short up to 50%                                                                                      207

Tension too loose or too tight in any one row

Up to 2 inches                                                                                                    208

Over 2 inches                                                                             111

43