DDD-F-416F
Breaking strength when tested using the grab method test specified in ASTM-D5034
(see 4.3.2): not less than 105 pounds in the warp; not less than 100 pounds in the
filling
3.3.3 Cotton sheeting.
3.3.3.1 Lining. The sheeting used for lining the tube or tunnel of the heading shall be a plain
weave cotton greige fabric having the following characteristics:
Weight: 4.8 oz. per square yard
Yarns per square inch: 40 in the warp; 44 in the filling
Breaking strength: 35 pounds in the warp; 65 pounds in the filling
3.3.3.2 Stars for cotton and nylon-wool bunting. The sheeting for these appliquéd stars shall be
as specified in 3.3.3.1.
3.3.3.3 Stars for lightweight and heavyweight nylon bunting. The sheeting for these appliquéd
stars shall be as specified in 3.3.3.1 except that the back shall be coated with a non-fray
coating.
3.3.4 Sewing thread.
3.3.4.1 Polyester sewing thread. Thread used for sewing all flags shall be polyester conforming
to Type I or II, Class 1 of MIL-DTL-32072. Unless otherwise specified, the thread shall conform
to Tex size 45. Stars shall be appliquéd using Tex size 30. Distance line shall be stitched using
Tex size 70, and the cotton duck heading shall be stitched using Tex size 90.
3.3.4.2 Nylon sewing thread. As an alternate, nylon sewing thread conforming to Type I or
Type II, Class A of V-T-295 may be used on nylon fabric. Unless otherwise stated, the Letter
size shall be AA. Stars shall be appliquéd using Letter size A. Distance line shall be sewn with
Letter size E, and heading shall be sewn with Letter size F.
3.3.5 Embroidery thread
3.3.5.1 Silk embroidery thread. The Swiss handloom machine embroidery thread shall be a silk
embroidery thread conforming to Embroidery Type, Tex 70 of A-A-50196, with a breaking
strength of 4.7 pounds minimum.
3.3.5.2 Schiffli or machine embroidery thread or yarn.
3.3.5.2.1 Rayon. The rayon embroidery thread or yarn shall be a semi-dull, continuous
filament, regenerated cellulose type rayon, 2 ply Schiffli type. The single yarn shall be 150
denier rayon as specified on the applicable cartoon. For other than Schiffli embroidery, the
single yarn shall be 120 or 122 denier rayon.
3.3.5.2.2 Cotton. The cotton embroidery thread or yarn shall be a 2 ply, bleached, Schiffli type.
The single yarn shall be 30/1 or 40/1 cotton as specified on the applicable cartoon.
3.3.6 Rope for distance lines. Rope for all distance lines shall be rot and mildew resistant,
abrasion resistant, white nylon or polyester as shown in Table I. Rope for distance lines for
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