MIL-DTL-43549D
STITCH
SEAM AND
STITCHES
THREAD
TABLE II (cont'd)
N0.
TYPE
STICHING
PER
MANUFACTURING OPERATIONS
BOBBIN/
TYPE
INCH
REQUIREMENTS
NEEDLE
LOOPER/
4.
Make forehead flap. (cont'd)
10-14
a. Superimpose the forehead flap and flap
301, or
SSe-2 (a)
50-2
50-2
10-14
lining, face to face, and stitch the plies
401 and
SSe-2 (a)
50-2
70-2
10-14
together along the curved edge; force out
301
SSe-2 (b)
50-2
50-2
and raise stitch 1/8 to 14 inch from edge.
10-14
b Overedge the bottom raw edges
504 or
SSa-1
70-2
70-2
10-14
together. The gage shall be 3/16 to 1/4
505
SSa-1
70-2
70-2
inch wide, and a 1/2 to 1 inch chain shall
be left at each end.
5.
Make outer shell.
Finished appearance. The outer shell
shall be neatly joined without twists,
puckers, or pleats and with joining seams
matching. Darts shall be equal in length
+ 1/8 inch on each side, and crown shall
be shaped. Raised stitching shall be neat
and evenly gaged.
10-14
a. Stitch the out darts of the side crown
301
SSa-1
50-2
50-2
pieces and earlaps, tapering to nothing 1/2
to 5/8 inch beyond the cutout.
10-14
b. Stitch the folded darts on the earlaps
301
OSf-1
50-2
50-2
tapering to nothing 1/2 to 5/8 inch beyond
end of dart.
10-14
c. Seam side crowns to earlaps leaving
301 or
SSa-1
50-2
50-2
10-14
the seam open at the front ends 1/2 to1
401
SSa-1
50-2
70-2
inch to allow for binding.
10-14
d. Stitch top crown to gusset; turn seam
301or
LSq-2 (a)
50-2
50-2
10-14
toward crown and raise stitch 1/2 to 3/16
401 and
LSq-2 (a)
50-2
70-2
10-14
inch from folded edge.
301
LSq-2 (b)
50-2
50-2
e. Stitch top crown, with gusset attached,
10-14
301, or
LSq-2 (a)
50-2
50-2
to side crowns and back edges of earlaps.
10-14
401
LSq-2 (a)
50-2
50-2
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