MIL-DTL-6070C
6.2 Ordering data . Procurement documents should specify the following:
a. Title number and date of this specification.
b. Species of wood used for facesand inner plies (see 3.1).
c. Thickness of individual plies, number of plies, and thickness of plywood (see 3.7).
d. Direction of grain, if different (see 3.8).
e. Width and length of panels, if different (see 3.9).
f. Responsibility for inspection, if different (see 4.1).
g. Quality conformance inspection, if different (see 4.3).
h. Level of packaging and packing required (see 5.1 and 5.2).
i. Marking, if different (see 5.3).
6.3 Multiple sizes. Multiple sizes may be furnished under this specification. The number of multiples
in size to be furnished should be acceptable to the purchaser and a sufficient excess of material to allow
for cutting the panel to the required size or sizes will be provided by the plywood manufacturer.
6.4 Standard sizes. Procurement of aircraft plywood will be expedited and simplified, with less waste of
materials and labor on the part of the manufacturer, if the grade, type and construction details, provided
for in this specification are followed. Ordering of plywood of large sizes that is later cut to smaller sizes,
diagonal grained plywood, veneer of unusual thickness, and more restrictive provisions that herein
specified limit the amount of material available and increase the time required for manufacture. Such
special requirements should be avoided as much as possible.
6.5 Compression wood. Pronounced compression wood ordinarily has wide annual rings, less than six
per inch, and summerwood that lacks definite contrast in appearance with adjacent spring wood.
Summerwood of mild compression wood usually occupies less than one-third of the width of the annual
rings, and is contrasting and well defined from adjacent springwood.
6.6. Subject term (key word) listing.
Adhesives
Compression wood
Flat panel plywood
Knot hole
Scarfing
Veneer
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