MIL-DTL-46506 Boxes, Ammunition Packing, Wood, WireboundThis specification covers two types and six classes of wirebound box designs intended for ammunition use \(see 6.1\). All boxes have looped closures, and are top opening. Boxes may or may not have handles made from rope or webbing. Ends may be one piece plywood.

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MIL-DTL-46506E

3.19.3 Presence of M-GARD W510 (zinc naphthenate) or Cunapsol 5 (copper naphthenate)

preservative. When treated with M-GARD W510 or Cunapsol 5, the box shall show evidence of

discoloration.

3.20 Heat treatment (Grade A and B only). Boxes shall be fabricated from wood heat treated to a

core temperature of 56oC for a minimum of 30 minutes or shall be heat treated to the same requirement

after box fabrication. For Grade A boxes, heat treatment shall take place prior to preservation application.

Each box shall be marked to show conformance to the International Plant Protection Convention

Standard. The quality mark shall be placed on both ends of the box between the end cleats or end battens

(see 6.9).

3.21 Box identification. Each box shall be marked on the bottom with name, address, month and

year of manufacture, and the drawing number including the letter or number of the revision. Letters and

figures shall not be less than 1/4 inch minimum in height. Printed identification shall not be indented

more than 1/16 inch below the surface of the wood. The letters "PA" shall be annotated on all boxes

subjected to the PQ56 (copper-8-quinolinolate) preservative treatment in accordance with 3.19. The

letters "PB" shall be annotated on all boxes subjected to the zinc hydronap (zinc naphthenate emulsion)

preservative treatment in accordance with 3.19. The letters "PC" shall be annotated on all boxes subjected

to either the Cunapsol 5 (copper naphthenate) or M-GARD W510 (copper naphthenate) preservative in

accordance with 3.19. The letters shall not be less than 1 inch in height and shall be separated from other

markings.

3.22 Workmanship. Boxes, when set up, shall be square with well fitted corners and joints. Wires

shall be uniformly applied and properly tightened so that there is no buckling and bulging and so that the

closed box is tightly bound. The box shall be free of exposed splinters, metal projections or sharp edges

which may cause injury when manually handled.