MIL-DTL-46506E
2.4 Order of precedence. Unless otherwise noted herein or in the contract, in the event of a
conflict between the text of this document and the references cited herein, the text of this document takes
precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a
specific exemption has been obtained.
3. REQUIREMENTS
3.1 First article. When specified (see 6.2), a sample of wooden boxes shall be subjected to first
article inspection in accordance with 4.2.
3.2 Conformance inspection. A sample of wooden boxes shall be subjected to conformance
inspection in accordance with 4.3.
3.3 Wood species. The species of wood acceptable under this specification are classified in
groups as follows:
Group I
Basswood, Cottonwood, Cypress, Noble Fir, Magnolia, Spruce, Yellow Poplar,
Jack Pine, Lodgepole Pine, Ponderosa (Western Yellow) Pine, Red (Norway)
Pine, Sugar Pine, White Pine, Willow
Group II
Douglass Fir, Hemlock, Western Larch, Southern Yellow Pine, Tamarack
Group III
Black Ash, Pumpkin Ash, Soft Elm, Red or Black Gum, Soft Maple, Sycamore,
Water Tupelo
Group IV
White Ash, Beech, Birch, Hard Elm, Hackberry, Hickory, Hard Maple, Oak,
Pecan, Locust
3.4 Finish. Lumber shall be cut with the grain and cut to length and edges shall be straight and
square with the surface of the lumber. Faceboards shall be surfaced on one side and may be resawn on the
other side; the resawn surface shall face to the inside of the container. Face boards may be resawn on both
surfaces provided the resawn surfaces do not interfere with marking.
3.5 Season checks. Season checks occurring in the central portion of a piece of the finished
container shall be permitted provided they do not extend through the thickness of the piece in which they
occur. Season checks which extend through the thickness of the piece shall be considered as splits (see
3.6) except that when adjacent to a knot they shall be considered a component part of an incased knot
defect. Season checks less than 1/3 the length of the board occurring at the end of the board shall not be
considered cause for rejection.
3.6 Splits.
3.6.1 Splits extending entire length of piece. Splits, extending the entire length of the board shall
be permitted for sides, top, bottom and ends, provided the width of the narrowest piece of the board
measured from the split is 1.5 inches or greater and further provided that a staple holds each end of each
piece in place.
3.6.2 Splits diverging to edge of piece. Splits diverging to outer edge of box shall not be
permitted. Splits extending less than the entire length of the board and not diverging to an edge of a board
shall be permitted for sides, top, bottom and ends, provided that if the split were extended, the resulting
boards would comply with the minimum requirements of 3.6.1.
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