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Page Title:
Aluminum and steel angles and shapes |
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|  3. REQUIREMENTS
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3.1 First article, When specified (ace 6.2), the supplier shall furnish
a sample for first article Inspection and approval (see 4.2 and 6.3).
3.2 Materials. Materials not definitely specified shall be of the
quality normally used for the purpose in commercial practical.
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3.2.1 Plywood. Plywood used for the tabletop and battens shall be
l ither softwood or hardwood as follows:
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3.2.1.1 Sofwood plywood. The softwood plywood shall be exterior type,
grade A-B, sanded two sides, conforming to group 1 of Product Standard
PS 1-66.
3.2.1.2 Hardwood plywood. Hardwood plywood shall be waterproof
bond, high or medium density, grade 2 face and back, sanded two sides,
conforming to type I of Conmercial Standard CS-35-61.
3.2.2 Aluminum and steel angles and shapes.
3.2.2.1 Aluminum angles. Aluminum angles shall be fabricated of an
alloy conforming to the requirements of QQ-A-250/2, temper H-14.
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3.2.2.2 Steel, bar size shapes. Bar size shapes shall conform to
QQ-S-630 or if formed from steel sheet or strip shall conform to QQ-S-698.
3.2.3 Hardware. Nuts and bolts, wing nuts, wood screws, washers,
rivets, and cotter pins shall be standard commercial products, fabricated
from steel and except for wood screws shall be cadmium plated.
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3.2.4 Enamel. Enamel shall be semigloss conforming to the require-
ments of TT-E-485. The color shall be olive drab 24087 conforming to
FED-STD-595.
3.2.5 Varnish, spar. Spar varnish shall conform to the requirements
of TT-V-121.
3.2.6 Adhesive. Adhesive shall be urea-resin-type conforming to either
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of types
III of MM-A-188.
3.3 Construction. The construction of all components and assemblies
of the item covered by this specification shall conform to the require-
ments herein and the design, details, dimenions, material classification
and sizes specified on Drawing 5-13-2498.
The top shall be plywood specified In 3.2.1 and sanded
3.3.1 Top.
smooth.
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