MIL-DTL-43741C
3.5.3 Colorfastness. The dyed and finished cloth shall conform to the colorfastness
requirements listed in Table II when tested as specified in 4.3.4.
TABLE II. Colorfastness requirements (all Classes)
Light (40 hrs or
Perspiration 1/
Crocking 3/
Color Evaluation
Laundering
(3 cycles) 1/
170KJ) 2/ (min.)
Acid and
(min.)
(min.)
Alkaline (min.)
Brown 436
3-4
3-4
3-4
3.5
Foliage Green 504
3-4
3-4
3-4
3.5
1/ Rated using the AATCC Evaluation Procedure 1, Gray Scale for Color Change and
AATCC Evaluation Procedure 2, Gray Scale for Staining.
2/ Rated using the AATCC Evaluation Procedure 1, Gray Scale for Color Change.
3/ Rated using the AATCC Evaluation Procedure 8, AATCC 9-Step Chromatic Transference
Scale.
3.6 Toxicity. The finished neckerchief shall not present a health hazard and shall show
compatibility with prolonged, direct skin contact when tested as specified in 4.4.1. Chemicals
recognized by the Environmental Protection Agency (EPA) as human carcinogens shall not be
used.
3.7 Thread. The thread for over-edge stitching shall be Cotton Covered Polyester Core,
Type I, Tex 31-35, 2 ply of A-A-50199, dyed to match Brown 436 for Class 1, and Foliage
Green 504 for Class 2.
3.8 Label. The identification label shall conform to Type III or IV, Class 1 of MIL-DTL-
32075. The label shall show colorfastness to laundering as specified in MIL-DTL-32075. The
label shall be positioned on the back of the neckerchief, 1 ± 1/8 inches from one of the four
corners.
3.8.1 Bar Code Labels. Shall be as specified in the contract (see 6.2).
3.9 Design and size. The neckerchief shall be a single layer of the knitted cloth, with raw
edges over-edge stitched. Finished dimensions shall be 72 ± 1 inches long by 24 ± 1 inches
wide.
3.10 Construction.
3.10.1 Manufacturing. The neckerchiefs shall be manufactured utilizing the contractor's
best commercial practices.
3.10.2 Stitches and seams Stitches and seam types specified in Table III shall conform to
ASTM D 6193. When two or more stitch types are given for the same part of the operation, any
one of them may be used.
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