A-A-59962
d. Removable patch systems The ensemble shall have removable and replaceable patches
for the elbows, knees and seat. The patches shall be made from the same radiant reflective
material as the outershell. The knee patches shall be placed inside of a frame system. The elbow
and seat patch systems may or may not be designed with a frame system. Each ensemble shall
include two complete patch systems. See figure3 for seat patch system.
e. Trouser cargo pockets with flap closures There shall be a cargo pocket with flap
closure located on side of each hip below the waist and above the knee area. The cargo pocket
shall have grommets at the bottom of the pocket to allow for drainage. The internal dimensions
of each pocket shall be at least 8 inches wide by 8 inches long by 2 inches deep. The flap closure
shall be secured to the pocket by using a hook and pile closure tab.
f. Reinforcement material Both the sleeve and leg cuffs shall have reinforcement
materials placed around the circumference of them in accordance with NFPA 1971.The
reinforcement material used for the sleeve and leg cuffs shall be in accordance with 3.2.2.
g. Trouser suspenders The trouser suspenders shall be attached to the trouser by means of
a tab system. The posts, snaps or hooks of the suspenders shall not be directly connected to the
waistband of the trouser. The tabs may be made from outershell material or webbing. If material
is used there shall be no raw edges exposed. The section of the suspenders that comes in direct
contact with the wear shall be padded.
h. Sizing sizing shall conform to NFPA 1971.
i. Stitches and seams The sewing thread shall conform either of these commercial item
descriptions A-A-55195 or A-A-55220. In stitching the outershell a ball point needle shall be
used with a stitch density of 6-8 stitches per inch. The major A seams of the outershell shall be
either an Ssa-1, Ssa-2, Ssa-3 with 301 lockstitch. Top stitching of the outershell of major A
seams and pocket corners / edges is not allowed. The use of a folder in sewing the outershell
material is not allowed with the exception that an LSc-2 seam may be used on the outer
sleeve/shoulder closing seam.
3.1.1 Materials and components. All fabrics and batting used in the construction of the outer
shell, liner, and wristlets shall be manufactured from inherently flame-resistant fibers. All other
materials used in the construction of the garment, such as zipper tapes, collar linings, elastic,
hook and pile fasteners, padding, reinforcements, interfacing, bindings, hanger loops, emblems,
labels, patches, and trim, shall meet the requirements of NFPA 1971.
3.1.2 Outershell material. The outershell material shall be a knit structure; The knit may be
laminated with a radiant reflective surface and must meet the requirements of NFPA 1971.
3.2 Performance requirements.
3.2.1 Outer shell.
3.2.1.1 Weight. The outer shell shall have a maximum weight of 8.5 ounces per square yard
(oz/sq yd) when tested in accordance with ASTM D3776.
3.2.1.2 Tear strength. The outer shell shall have 9lb strength in the wales direction and a 9lb
strength in the course direction when tested in accordance with ASTM D1424.
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