MIL-DTL-46162E
2.4 Order of precedence. In the event of a conflict between the text of this document and the
references cited herein, the text of this document takes precedence. Nothing in this document,
however, supersedes applicable laws and regulations unless a specific exemption has been
obtained.
3. REQUIREMENTS
3.1 Material. The referee fuels supplied under this specification shall be refined
hydrocarbon distillate fuel oils with catalytically or thermally processed blending fractions
containing additives in accordance with 3.2.1. The feed stock from which the fuel is refined
shall be crude oils derived from petroleum, tar sands, oil shale, or mixtures thereof.
3.1.1 Recycled, recovered, or environmentally preferable materials. Recycled, recovered, or
environmentally preferable materials should be used to the maximum extent possible provided
that the material meets or exceeds the operational and maintenance requirements, and promotes
economically advantageous life cycle costs.
3.2 Chemical and physical requirements. The chemical and physical requirements of the
finished fuel shall conform to the requirements listed in section 3 and tables I and II, as
applicable, when tested in accordance with the applicable test methods.
3.2.1 Additives. Additive use shall be as specified.
3.2.1.1 Additives for type I fuel. Additive use shall be as specified in 3.2.1.1.1 through
3.2.1.1.3.
3.2.1.1.1 Stabilizer additive. The addition of stabilizer additives is mandatory. The finished
fuel shall contain one of the following stabilizer additives at the concentration indicated
(see 6.6):
a. Any product qualified under the provisions of MIL-S-53021 at the recommended
effective concentration for that product (see 6.6.4).
b. FOA-35A at a concentration of 71 ± 3 grams per cubic meter (g/m3) (see 6.6.1) and
Biobor JF at a concentration of 227 ± 10 g/m3 (see 6.6.2).
3.2.1.1.2 Cetane improver. Cetane improvers are allowed if necessary to meet requirements
of this specification. The cetane number requirements specified in table I may be obtained by
use of anyone or any combination of the approved cetane improvers (isopropyl nitrate, amyl
nitrate, hexyl nitrate, cyclohexyl nitrate, and octyl nitrate), including the structural isomers of
amyl, hexyl, and octyl nitrates. The total concentration of cetane improvers in the finished fuel
shall not exceed 0.50 percent by weight.
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