MIL-DTL-2427H (AR)
(2) Failure to cover over-
lapped edge
= 1/8 inch max.
d. Gap between boards intended
to butt tightly (edges
straight)
= 1/8 inch max.
e. Overlap of edges intended to
flush, less than flush, each
edge (edges straight)
= 1/8 inch max.
f. Untoleranced dimension, one
inch or less
= ± 1/16 inch
g. Untoleranced dimension over
one inch
= ± 1/8
h. Angle
= ± 2 1/2º
i. Rope Handle, length
= ± 1/4 inch
3.9 Box identification. Each box shall be marked on the bottom by the box
manufacturer with the manufacturer's name and address, month and year of manufacture,
and the drawing number, including the letter or number of the revision. The letters "PA"
shall be annotated on all boxes subjected to the PQ 56 (Copper-8-quinolinolate)
preservative treatment in accordance with paragraph 3.10. The letters "PB" shall be
annotated on all boxes subjected to the M-GARD W550 (zinc naphthenate emulsifiable)
preservative treatment in accordance with paragraph 3.10. The letters "PC" shall be
annotated on all boxes subjected to either the Cunapsol 5 (copper naphthenate) or the M-
GARD W510 (copper naphthenate) preservative in accordance with 3.10. The letters
shall be not less than 1 inch in height. All other letters and figures shall be 1/4 inch min.
in height.
3.10 Preservative treatment. Grade A boxes, individual or palletized or the
finished wood parts thereof, shall be completely immersed for a minimum of one minute
in a solution of wood preservative.
a. PQ56 reduced with water down to 1.8 percent copper-8-quinolinolate as
solution (see 6.6)
b. An emulsion of wood preservative M-GARD W550 (zinc napthenate) reduced
with water down to 3 percent zinc as metal (see 6.7).
c. An emulsion of M-GARD W510 (copper naphthenate) reduce down with water
to 2 percent copper as metal (see 6.12).
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