MIL-DTL-12000K
Cable reels shall be overwrapped with MIL-PRF-121, Type I or Type II, barrier material to
provide a dust cover and moisture barrier. Overwraps shall not be required for the following
types of cable, cord, or wire:
a.
Waterproof cable.
b.
Fluorinated ethylene propylene or PTFE sheathed cable, cord, or wire.
c.
Cable subject to water tank testing.
d.
Reels where solid fiberboard type packing material is acceptable.
3.6.1.7.1 Non-returnable reels. Non-returnable reels shall conform to NEMA WC
26/EEMAC 201. Reels shall be of a construction normally used for non-returnable applications
and suitable for shipments. The arbor hole in wood and plywood reels, with a gross weight of
2,500 pounds or more, shall be reinforced with a metal bushing or a metal plate to prevent
excessive wear due to reeling and unreeling.
3.6.1.7.2 Returnable reels. Returnable reels (see 6.1.2 and 6.3) shall conform to NEMA
WC 26/EEMAC 201 as specified (see 6.2), and the following specific requirements:
a. Wood utilized in the flange plies and drum staves shall be free from decay, shakes,
cracks, compression wood, red heart, wrap, or twist, loose or unsound knots, and pitch pockets
which are wider than one-third of the width of the piece in which located.
b. All wood flanges made of the two plies shall be at right angles to each other. Flanges
of three plies shall be 45 degrees to 60 degrees to each other.
c. Nails shall be machine driven in concentric circles with a minimum countersink of
0.062 inch (1.59 mm) on the cable side of the flange and clinch of 0.125 inch (6.35 mm). When
screws are utilized, they shall be applied by turning in their holes the full distance of the threaded
portion and shall not be driven in with a hammer. Flat head screws shall be turned so their heads
do not protrude above the surface of the wood.
d. After the nuts on flange bolts are tightened, the bolt ends shall be peened.
e. Wood staves, which constitute the drum, shall be shaped and assembled in the flange
grooves so as to form a continuous smooth surfaces.
f. The exposed portions of wood reels shall be painted or otherwise suitably protected
from weathering under outdoor storage conditions.
g. The arbor hole shall be of a diameter normally used in commercial practice. The arbor
hole in wood reels, 24 inches (610 mm) in diameter and larger, shall be reinforced with
substantial metal bushings or a metal plate to prevent excessive wear due to reeling and
unreeling.
h. All parts of the metal reels shall be given a suitable protective finish.
3.6.2 Commercial. The cable, cord, and wire shall be preserved/packaged in a manner
that will insure adequate protection during shipping, handling, and storage. Packaging shall
comply with applicable carrier rules and regulations (see 3.7.3). When specified (see 6.2), the
cable, cord, and wire shall be preserved in accordance with ASTM D3951.
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