MIL-PRF-29163C
3.2 First article. When specified (see 6.2), a sample buoy shall be subjected to first article
inspection in accordance with 4.2.
3.3 Materials. Materials used shall be free from defects which would adversely affect the
performance or maintainability of individual components or of the overall assembly. Materials not
specified herein shall be of the same quality used for the intended purpose in commercial practice.
Unless otherwise specified herein, all equipment, material, and articles incorporated in the work
covered by this specification are to be new and fabricated using materials produced from
recovered materials to the maximum extent possible without jeopardizing the intended use. The
term "recovered materials" means materials which have been collected or recovered from solid
waste and reprocessed to become a source of raw materials, as opposed to virgin raw materials.
Unless otherwise specified, none of the above shall be interpreted to mean that the use of used or
rebuilt products is allowed under this specification.
3.3.1 Interior foam and exterior surface. The interior foam and the exterior surface shall function
indefinitely in the ocean environment and shall have a high degree of fade and sunburn resistance.
When specified (see 6.2), proof of prior marine use of the buoy materials shall be required.
3.4 Interchangeability. All units of the same classification furnished with similar options under a
specific contract shall be identical to the extent necessary to ensure interchangeability of
component parts, assemblies, accessories, and spare parts.
3.5 Dissimilar metals. Intimate contact between dissimilar metals which can be expected to cause
galvanic corrosion shall be avoided. When such contact cannot be avoided, an interposing
insulating material shall be provided to minimize the corrosive effect.
3.6 Construction. The buoy(s) shall have a tension rod running along the entire length of the
vertical axis of the buoy. A retrieving eye shall be firmly attached to the upper end of the rod and
a swivel eye shall be attached to the lower end. The tension rod, eye, and swivel shall be
corrosion-resistant.
3.7 Performance.
3.7.1 Size 1. The buoy shall be of sufficient size to support 19 kg without being submerged more
than one half of its length from top to bottom.
3.7.2 Size 2. The buoy(s) shall be of sufficient size to support 45 kg without being submerged
more than one half of its length from top to bottom. If two size 1 buoys are used in combination
instead of a size 2 buoy (see 1.2 and 6.2), the same requirements apply.
3.8 Color. The exterior surface of the buoy shall be pigmented and ultraviolet/antioxidant
protected. The color shall be of the manufacturer's standard bright orange, unless otherwise
specified (see 6.2). The exterior surface shall contain the color pigment and shall be a
homogeneous color. A surface coating is unacceptable.
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