DDD-F-416F
Old Glory Red
White
Old Glory Blue
3.5.1. Colorfastness. Colorfastness of red or blue base cloth shall be in accordance with the
requirements of the specification for the applicable material. Rating on an objective basis will be
performed only when a standard sample of reference of the exact material is not provided.
3.6 Stitches, seams, and stitching. The stitch and seam types specified herein shall conform to
ASTM-D6193 (see 2.2). The number of stitches shall be as required herein.
3.6.1 Stitch type. The stars, rope, and joining of rope to heading shall be stitched with stitch
type 304. Seams and stripes may be sewn with stitch type 301 or 401 provided the white looper
thread in the 401 stitch is always on the white portion of the stripes. In all other flags the seams
and stripes shall be stitched with stitch type 301.
3.6.2 Stitches per inch.
3.6.2.1 Seams, hems, and reinforcement patches. The seams, hems, and reinforcement
patches shall be sewn with not less than 10 stitches per inch.
3.6.2.2 Stars. Stars appliquéd on cotton flags shall be sewn with a minimum of 24 stitches per
inch with a 1/8 inch throw. Stars appliquéd on nylon or nylon-wool flags shall be sewn with 28
to 32 stitches per inch with a 1/16 to 1/8 inch throw. Stars appliquéd on rayon banner flags shall
be sewn with a minimum of 58 stitches per inch with a 1/16 inch throw.
3.6.3 Construction and stitching of seams, hem, reinforcement patches, and fringe. The ends
of all stitching, when not caught in other seams or stitching, shall be backstitched for a distance
of not less than 1 inch or locked with a 9/16 inch 28-stitch bartack.
3.6.3.1 Joining stripes and horizontal seam between stripes and union. The seam type used
for joining the stripes and horizontal seam between the stripes and union shall be LSc-2, except
the turned under edges shall extend the full depth of the seam (full double turn under). The
stitching gauge of all seams shall be not less than 3/16 inch and not more than 3/8 inch in both
the vertical and horizontal directions.
3.6.3.2 Stitching of hems at edges. All raw edges shall be hemmed. Except as otherwise
indicated herein for fringed flags (see 3.6.3.4), hemming shall be accomplished on the reverse
side of the flag. A selvage edge may be used in lieu of hemming at the top or bottom edges of
the flag, except that flags manufactured from all nylon shall be hemmed on all edges. Unless
otherwise specified, the top and bottom edges shall be hemmed with stitching type EFb-2 with
not less than a 3/8 inch wide hem having a full turn-under. The fly edge of all flags, except
those constructed of rayon banner cloth, shall be hemmed with stitching type EFb-3 or EFb-4
with not less than a 3/4 inch wide hem having a full turn-under. The stitching gauge shall not be
less than 3/16 inch. Flags constructed of rayon banner cloth shall be hemmed with stitching
type EFb-2, with not less than a 1/2 inch wide hem having a turn-under of less than 3/8 inch.
The stitching gauge shall not be less than 1/4 inch.
3.6.3.3 Reinforcement patches. Reinforcement patches are not required on flags with a Type II
or Type III heading or on other flags and pennants having a hoist of 60 inches or less. All other
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