MIL-DTL-43342F
3.3 Construction. Details of construction shall be in accordance with the TDP and the
additional requirements as specified herein.
3.3.1 Measuring and cutting of webbing. Unless otherwise specified on the applicable
drawing, all webbing shall be measured and cut while substantially free of tension. Rolls of
tightly wound nylon webbing should be unwound, and the webbing allowed to relax a minimum
of 12 hours prior to use.
3.3.2 Stitches and stitching.
3.3.2.1 Machine stitching. Unless otherwise specified on the drawing, all machine stitching
shall be type 301, conforming to ASTM D 6193. Thread breaks, bobbin runouts, or two or more
consecutive skipped stitches shall be overstitched a minimum of 1 inch beyond ends of each
defect, except for type 304 or 308 stitching, which shall be overstitched two or three stitches.
Runoff areas shall be restitched to conform to the required stitch pattern. Backstitching is not
required when ends of type 301 stitching are turned under in a hem or held down by other
stitching. Thread tension shall be maintained so that there will be no loose stitching and the lock
will be imbedded in the materials sewn. All thread ends shall be trimmed.
3.3.2.2 Automatic machinery stitching. Stitching patterns produced by automatic machines
may be utilized in lieu of those specified, providing the basic design and size of the pattern, the
size of the thread, and the number of stitches per inch are as specified on the drawing. A
minimum of three tie-in, overlapping, or back stitches shall be used to secure the ends.
3.3.3 Wax dipping or searing. Unless otherwise specified on the applicable drawing, all
exposed ends of cotton webbing shall be dipped a minimum of ½ inch in a melted mixture of 50
percent beeswax and 50 percent paraffin, maintained at a temperature of 180 + 20°F. All
exposed ends of nylon webbing shall be seared smooth, even, and free of sharp edges.
3.4 Marking. Using the marking medium specified in 3.2.1, all marking, unless otherwise
noted, shall be in characters ½ inch high at the location specified on the applicable drawings.
3.5 Workmanship. The webbing assemblies shall conform to the quality of product
established by the specification and documents referenced herein.
4. VERIFICATION
4.1 Classification of Inspections. The inspection requirements specified herein are classified
as follows:
a. First article inspection (see 4.2).
b. Conformance inspection (see 4.3).
4.2 First article inspection. First article inspection shall be performed on one complete
container assembly, unless otherwise stated in the contract, when a first article sample is
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