A-A-1241 Box, Shipping (Wood, Nail And Lock-Corner With Two Exterior End Cleats) (Top, Bottom, Side Or End)

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A-A-1241

TABLE I. Boxes for overseas shipment, weight of contents, design of box,

thickness of sides, tops, bottoms, and ends, and thickness and width of cleats 1/

Weight of content
Exceeding (Pounds)	Not Exceeding (Pounds)	Design of Box	Thickness of sides, tops, and bottoms (Inch)	Thickness of ends (Inch)	Thickness and width of cleats (Inches)
--	50	See figure 1	3/8	5/8	5/8 x 2
50	100	See figure 1	1/2	1	1 x 3
100	250	See figure 1	5/8	1	1 x 3
250	400	See figure 1	1	1	1 x 3

1/ When the inside depth of a box is 5 inches or less, ends cleats shall not be used. Thickness of ends shall be not less than the combined thickness of the end and cleat as specified. Each side and end shall be made from one piece.

TABLE II

Rules	Grade
CL 1/	1 common (colonial WW pine)
NELMA 2/	No. 1 common (30.11 WWPA)
NHPMA 3/	1 common
SPID 4/	No. 1 boards
WCLB 5/	Select merchantable boards
WWPA 6/	1 common (colonial IWP)
NHLA 7/	1 common

1/ Standard Grading Rules for Canadian Lumber.

2/ Standard Grading Rules for Northeastern Lumber.

3/ Official Grading Rules for Eastern White Pine, Norway Pine, Jack Pine, Eastern Spruce, Balsam Fir, Eastern Hemlock, and Tamarack.

4/ Standard Grading Rules for Southern Pine Lumber.

5/ Standard Grading Rules for West Coast Lumber.

6/ Grading Rules for Western Lumber.

7/ Standard Grading Rules for National Hardwood Lumber Association.

TABLE III

Acceptable Lumber Species
Aspen (popple)	Magnolia
Basswood	Pine (except southern yellow pine)
Buckeye
Cedar	Redwood
Chestnut	Spruce
Cottonwood	Willow
Cypress	Yellow-poplar
Fir (true firs)
Douglas fir	Tamarack
Hemlock	Western larch
Southern yellow pine

TABLE IV. Requirements for additional battens of cleats

Thickness of end, side, top, or bottom	Maximum length of unsupported span
(inch)	(inches)
3/8	21
1/2	30
5/8	38
1	45