MIL-DTL-4M
3.4.2 Tires, Level B.
3.4.2.1 All motorcycle and bicycle tires, and vehicle tires with an outside diameter less
than 14 in.. Motorcycle, bicycle, and vehicle tires with an outside diameter less than 14 in. shall
be packed in corrugated fiberboard boxes. Boxes shall conform to ASTM D5168, class weather
resistant. As an alternate, any container that meets the requirements of ASTM D4169,
Distribution Cycle 18, Assurance level II, may be provided.
3.4.3 Tires, Level C.
3.4.3.1 All motorcycle and bicycle tires, and vehicle tires with an outside diameter of less
than 14 in.. A multiple quantity of unit or intermediate packs, bearing the same stock number,
shall be placed in close-fitting containers conforming to transportation rules and specifically shall
meet the performance requirements of rule 180-A, performance testing of shipping containers,
and shall additionally meet rule 41 of the Uniform Freight Classification for rail shipments.
3.4.3.2 Tires with an outside diameter of 14 in. or greater. Tires shall be unitized when
the quantity of tires being shipped will fit the cargo conveyance being used. Unless otherwise
specified (see 6.2), when the unitization of the tires would result in the tires encompassing more
space than is available in the cargo conveyance, tires may be shipped loose. Unitized tires shall be
of a size and weight which permits handling with the appropriate material handling equipment,
and shall be arranged in the vehicle conveyance in a manner so as to facilitate such handling.
Loose and unitized tires shall be arranged in a manner which would not cause damage to any of
the tires.
3.4.3.2.1 For Navy use only. Plastics shall not be used as a unitizing material unless
absolutely necessary. Any plastic used shall be limited to nonlaminated polyolefin material or the
equivalent of (i.e. L-P-378).
3.4.4 Tubes, Level A. Tubes shall be packed same as 3.4.1.1.
3.4.5 Tubes, Level B. Tubes shall be packed in fiberboard exterior boxes conforming to
ASTM D5118, class weather resistant and closed, sealed, and reinforced in accordance with box
closure 1D of ASTM D1974.
3.4.6 Tubes, Level C. Tubes shall be packed in accordance with ASTM D3951.
3.5 Unitization. Unskidded, boxed tires or tubes being shipped to a single destination and
exceeding a total weight of 125 lbs should be palletized in accordance with MIL-HDBK-774.
Unitized tires and unitized loads of packaged tubes shall be comprised of items of the same
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