MIL‐DTL‐14362H
inches of the free end. Intermediate straps may be repositioned 12 inches in either direction to meet
those requirements. Strapping shall be: (a) flat, heavy duty steel in accordance with ASTM D3953, type 1
or 2, minimum 3/4 Inch wide, with a minimum breaking strength of 2,000 pounds, or (b) extra heavy duty
polyester cord in accordance with ASTM D3950, type IA, minimum 3/4 inch wide, with a minimum
breaking strength of 1,830 pounds. Strapping shall be coated finish (organic) or zinc-coated (galvanized),
grade optional. Strap connectors or seals shall have a minimum of 75 percent joint efficiency and shall
be applied and tensioned in accordance with manufacturers instruction.
3.2.1.4 Edge protectors. Edge protectors shall be used on all edges under the strapping of softwood
and hardwood lumber units, 4 inches thick or less (see figure 1). Fiberboard edge protectors shall not be
used for select or finish grade softwood lumber or standard grades of hardwood lumber.
3.2.1.5 Cross strips. In units containing more than 4 tiers of lumber in height, cross strips 3/4 (.75)
inch to 1 inch thick and a minimum of 2-1/2 (2.50) inches wide shall be placed midway the depth of the
unit across its' width under each strap location (see 3.2.1.3). The cross strips shall not extend beyond the
width of the unit, nor shall the cross strips be more than 2 inches shorter than the package width (see
figure 1).
3.2.1.6 Waterproof wrap. An opaque, commercial fiber stranded reinforced breathable waterproof
wrap shall be applied after initial strapping has been accomplished and shall be positioned so as to
completely cover the top, ends, and sides of each unit, leaving the bottom exposed. The ends shall be
folded and fastened in a manner that will ensure the wrap will remain fastened and in place during
shipment. All edges and ends shall be tacked or stapled to ensure wrap will stay in place during
shipment. Fastening devices on ends of units shall be a minimum 3/4 (.75) inch in length.
3.2.2 Level B. Lumber shall be packed as specified in 3.2.1, except a standard commercial grade of
opaque waterproof wrap may be used in lieu of that specified in 3.2.1.6. Non-porous polyethylene or
similar material is not acceptable. Straps may be spaced eight feet apart (maximum).
3.2.3 Minimal. Lumber shall be packed as specified in 3.2.1, except wrapping of-the units is not
required. Straps may be spaced eight feet apart (maximum). Lumber shall be protected to the first point
of destination in accordance with any practice used by the lumber producing industry that will assure
material arrives in condition as specified by the contract.
3.2.4 Moisture content restrictions. Moisture content shall be as specified in the contract or purchase
order and shall apply at the time of shipment, as well as at the time of dressing if dressed lumber is
involved and at the time of delivery, regardless of mode of transportation or level of protection.
3.3 Loading.
3.3.1 Lumber products six feet and over in length on open-top conveyances. Units six feet and over
in length loaded on open-top conveyances shall have floor bearing and unit separation pieces, minimum
three inches thick (actual), running across the width of the unitized load. These separators shall be
placed on the floor of the conveyance and between each unitized load. Floor bearing pieces and unit
separators shall be located 1/5 (.20) to 1/4 (.25) the unit length from each end for lengths 16 feet and less
and one additional piece at the mid point for lengths over 16 feet.
3.3.2 Loading in closed type conveyances. Units shall be loaded in accordance with the applicable
carrier rules and regulations.
3.4 Marking. Unless otherwise specified (see 6.2), marking shall be in accordance with MIL-STD-129.
In addition, for overseas shipments, the number of pieces per bundle and the quantity in board feet (BF)
shall be clearly marked on the side of each unitized load of lumber adjacent to MIL-STD-129 marking.
Lumber shipments made under this specification shall not require bar code marking unless specified by
the ordering activity (see 6.2).
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