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MS 15137

Revision B, September 26, 1952

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Description / Abstract:

                           INSPECTION STANDARD

                          COVERS, WINCH, CANVAS

                       Visual and Dimensional Inspection
                            Classification of Defects
                         as per Standard MIL-STD-105

Critical Defects:
None Defined.

Major Defects: (sampling as per specification) AQL = 2.5 percent defective.
101  Size and shape not as specified.
102  Fit nonconforming, (too tight or too loose).
103  Material not number four; medium-texture, fire, water and weather-resistant
      cotton canvas.
104  Damaged or defective canvas.
105  Machine stitching less than four stitches per inch.
106  Stitching nonconforming to type 301 of Specification DDD-S-751.
107  Top stitch not 8/6 cotton thread and bottom stitch not 10/4 cotton thread as specified.
108  Not double-seamed as per type LSA-2 of Specification DDD-S-751.
109  Tabling not as specified, not one and one half inches wide around the bottom, not
      type EFA-1 stitching of Specification DDD-S-751.
110  Grommets not type III of Specification MIL-G-16491.
111  Grommets not located as specified.
112  Grommet size not as specified or missing.
113  Reinforcement patch (when specified) not correct material, (No. 4 canvas), wrong
      location or missing.

Minor Defects: (AQL = 4.0 percent defective).

201  Reinforcement patch not properly stitched and thread not as specified.
202  Grommets not smooth, (burrs, sharp edges, cracks etc. )
203  Marking, not as specified; incorrect, missing or not legible.

Referenced specifications and standards of the issue in effect on date of invitation for bids shall apply.
Note:  This standard is for the guidance of Government inspectors to assure uniformity
       of acceptance inspection. It does not alter the specification or the terms of the
       contract. The Government reserves the right to determine at its sole discretion,
       as they arise, any defects not included herein.


[A circled] ENTIRE STANDARD REVISED NOTICE: When Government drawings, specifications, or other data are used for any purpose other than in connection with a definitely related Government procurement operation, the United States Government thereby incurs no responsibility, nor any obligation whatsoever; and the fact that the Government may have formulated, furnished, or in any way supplied the said drawings, specifications, or other data is not to be regarded by implication or otherwise as in any manner licensing the holder or any other person or corporation, or conveying any rights or permission to manufacture, use or sell any patented invention that may in any way be related thereto.