MIL-DTL-43613E
3.2 Federal Food and Drug Act certification. Prior to the approval of the first article, if one is
submitted, or prior to approval of the first shipment, the contractor shall submit satisfactory
evidence to the contracting officer or his authorized representative, that the plastic for the water
can and the antioxidants, light stabilizers, or other substances incorporated in the plastic
proposed to be supplied under this specification meets the requirements of 21 CFR Food and
Drugs: Indirect Food Additives: Polymers, Subpart B, Part 177, Chapter I, Title 21, Code for
Federal Requirements for Contact with Food. Acceptable evidence of meeting the requirements
of this document shall be a certified test report from a recognized independent testing laboratory,
acceptable to the Department of the Army Surgeon General. This certification shall be required
for all acquisitions without exception.
3.3 Materials.
3.3.1 Polyethylene, high density. The plastic body shall consist of a high density polyethylene
copolymer resin conforming to type I, class H of L-P-390 plus a light stabilizer, and requirements
of 3.2 except that the basic resin prior to adding the light stabilizer shall have a density of not less
than 0.954 and not more than 0.956, and a melt index of not more than 0.3.
3.3.2 Polyethylene, low density. The complete plastic cap and strap shall be low density virgin
polyethylene conforming to type I, class L of L-P-390 plus a light stabilizer and requirements of
3.2.
3.4 Design and construction. The design and construction of the water container shall be as
shown on the drawings specified in 2.2.2 and as specified herein. Silicone-type mold release
agents shall not be used with polyethylene. Mold release agents which are not active stress-
cracking agents for polyethylene shall be used. A certificate of compliance shall be furnished
stating that the mold release agents comply with this requirement (see 4.4). A certificate of
compliance shall be furnished stating that the material with the light stabilizers used on the
complete cap and body meet the test requirements of 4.5.4 (see 6.4.2). The male and female
threads shall be fully formed and free from flash or thread misalignment at the parting line. The
finished water can shall not leak when tested as specified in 4.5.1.
3.4.1 Body. The body shall be fabricated from the high density polyethylene specified in 3.3.1,
and shall consist of a bottom, four sides, and top with handle and a body neck and shall be
formed by blow molding to give a one piece construction. The body walls shall be a minimum of
0.100 inch thick, except that the thickness of the four top outside curved surfaces of the handle
may be 0.075 inch minimum; however, the 0.075 inch minimum thickness shall not extend over
an area greater than 0.25 inch in diameter. The body neck shall have a thickness of not less than
0.151 inch in all areas below the area finished to form the liquid seal. The body walls shall not
crack or break when tested as specified in 4.5.2. The upper surface of the body neck that comes
in contact with the tapered sealing surface on the inside of the cap to form a seal shall be flat and
smooth and may be out of round, in a plane parallel to the top surface of the body neck, provided
that the fit or water tightness is not impaired. The interior surface of the body shall be smooth.
The interior rounded surface area where the body and the neck join shall have a uniform texture
having no rough areas, surface abnormalities, surface deformations, or surface irregularities.
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