MIL-DTL-45449C
b. Nailing requirements not in conformance with applicable drawings (See 6.10).
c. Counter bores not as specified on applicable drawings (See 6.10) as to size and
location.
3.8.4 Splits or season checks (Grade A pallet assemblies only). Grade A pallet
assemblies shall be free of the defects listed below:
3.8.4.1 Skid. Extending in a straight plane the full length of the skid more than 1/8
inch wide or more than 1/3 the width or height of the lumber, or checks of various lengths on
both sides of the skid extending at least ½ the length of the skid which may or may not extend in
a straight plane, but whose combined depth as measured from each side of the skid would exceed
½ the thickness of the skid.
3.8.4.2 Base deck board. Split extending more than four inches in each direction from
the nail or terminating at the edge of the board or a split extending from the end of a board into
more than ½ the width of the circular cut-out.
3.8.4.3 Cover deck board. A split extending from the end or edge of the board into the
first retaining hole or a split extending from hole to hole or a split extending more than ½ the
length of a cover deck board.
3.8.4.4
Cover cleat. A split extending more than ½ the length of the cleat.
3.8.5. Repair of splits.
3.8.5.1 Type I pallets. A split ending on the end of the board not more than eight inches
in length may be repaired with at least one nail on either side of the split. A maximum of six
nails may be used. Not more than two repairs permitted on a single assembly. Corrugated
fasteners, metal staples, or strapping may not be used to repair splits or checks in Grade A
pallets.
a. Type I description. For Type I pallets fabricated with a layer of plywood nailed on
top of the cover or base, the defects of this paragraph shall apply only to the lumber beneath the
plywood. For the cover assembly, the lumber directly below the plywood shall be considered as
part of the cover deck board and therefore shall meet the requirements of 3.8.4.3 and the second
layer of lumber shall be considered the cover cleat and shall meet the requirements of 3.8.4.4.
For the base assembly, the lumber directly beneath the plywood shall be considered part of the
deck board and shall meet requirements of 3.8.4.2.
3.8.5.2 Type II pallets. A split terminating on an edge of a deck board not exceeding four
inches in length and not more than two for all deck boards in the assembly and not more than one
split to exceed ½ the length of a deck board, will be acceptable. Splits covered under 3.8.4.3 and
3.8.4.4 may be repaired by additional nailing provided not more than two repairs are made on
one assembly. A maximum of six nails may be used.
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