A-A-50357A
Bumper strip – Shall be made of sole compound or any other suitable compound. The color shall be White.
Toe cap – Shall be rubber coated fabric adhered to vamp or vamp lining. Any color may be used.
Counters – Shall be rubber coated fabric. May be stitched to quarters or free standing between quarters and loose lining.
Eyelets – May be a bright finish corrosion-resistant metal or roller coated or tumble coated with enamel. Color is optional. When eyelet washers are used, the washers need to be coated.
Laces – Laces may be round braided (approximately 1/8 inch diameter) or flat tubular braided (approximately 1/4 inch wide) and tipped. Length of laces shall be graded to proper length for each shoe size. Laces shall be made of cotton or a cotton/synthetic blend and shall be sufficient to assure durability and prevent breakage.
Stitching – All upper stitching shall be done using stitch type 301, with 6-10 stitches per inch. Color of the thread shall approximately match the color of the upper outer fabric. As an alternate, white thread may be used. Size, content and strength of the thread shall be sufficient to assure durability and prevent breakage.
Label – Contractor’s standard labels and method of attaching are acceptable.
Sizes and Lasts – Shoes shall be made of over the contractor’s standard lasts for a medium width in sizes 6 to 12-1/2 (whole and half sizes) and 13.
QUALITY ASSURANCE PROVISIONS:
Major and Minor Defects. Sampling and end item inspection shall be in accordance with MIL-STD-105. The inspection level shall be Level I and the AQL’s shall be 2.5 for Major and 6.5 for total. The lot size shall be expressed in units of one finished shoe and selection shall be by pairs. During the manufacturing process, the manufacturer shall remove parts with defective materials and workmanship damages and replace with non-defective components. Major type defects are as follows:
a. Not properly mated, i.e., not left and right of the same size.
b. Any cut, tear, hole, mend, or weak place.
c. Torn or excessively full linings.
d. Materials not as specified.
e. Construction not in accordance with standard industry practice.
f. Broken upper stitches not repaired.
g. Separation of any bottom component.
h. Any component or assembly omitted or misplaced seriously affecting serviceability or appearance.
i. Rubber components not securely bonded.
j. Cushion insole not securely adhered to inside of shoe.
k. Insole wrinkled, distorted, bulged, or out of alignment to an extent that will cause discomfort to wearer.
l. Any open seam.
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