MIL-DTL-16884N
6. NOTES
(This section contains information of a general or explanatory nature that may be helpful, but is not mandatory.)
6.1 Intended use. Naval distillate fuel is intended for use in all naval shipboard boilers, gas turbines, and diesel
engines operating at ambient temperatures above -1 °C. Other uses may be specified according to the needs of the
Department of Defense. Additives as specified in 3.2.2 are permitted. Gas turbines and diesel engines operating in
ambient temperatures that fall consistently below -1 °C should utilize JP-5 fuel in accordance with MIL-DTL-5624.
6.2 Acquisition requirements. Acquisition documents should specify the following:
a.
Date of ordering and date of supply.
b.
Title, number, and date of this specification.
c.
d.
Prohibited ODSs (see 4.5).
e.
Packaging requirements (see 5.1).
f.
Examination lot acceptance/rejection criteria (see 6.5).
6.3 Definitions.
6.3.1 Bulk lot. A bulk lot should be considered an indefinite quantity of a homogeneous mixture of material
offered for acceptance in a single isolated container.
6.3.2 Clear and bright. The terms clear and bright are independent of the natural color of the fuel. Clear means
the absence of any cloud, emulsion, or readily visible particulate matter or free water. Bright refers to the shiny
appearance of clean, dry fuel.
6.3.3 Conventional source blending component. Blending streams derived from the following conventional
sources: crude oil, petroleum, oil sands, oil shale, natural gas liquid condensates, or mixtures thereof.
6.3.4 Finished fuel. Fuel conforming to the requirements of section 3 and containing a maximum of 50 volume
percent synthetic materials.
6.3.5 Fischer-Tropsch hydroprocessed synthetic paraffinic diesel (FT-SPD). SPD synthesized by FT
processing. FT-SPD may also be referred to as paraffinic middle distillate (PMD).
6.3.6 Hydroprocessed. Conventional chemical processing in which hydrogen is reacted with organic
compounds in the presence of a catalyst to remove impurities such as oxygen, sulfur, nitrogen; to saturate
unsaturated hydrocarbons; or to alter the molecular structure of the hydrocarbon molecules.
6.3.7 Hydroprocessed or hydrotreated renewable diesel (HRD). SPD produced from mono-, di-, and
triglycerides, free fatty acids, and fatty acid esters from plant, algal oils, or animal fats (for example, fatty acid
methyl esters) that have been hydroprocessed to remove essentially all oxygen. HRD may also be referred to as
hydroprocessed esters and fatty acids synthetic paraffinic diesel (HEFA-SPD) or PMD.
6.3.8 Packaged lot. A packaged lot should be considered an indefinite number of 208-liter (55-gallon) drums
or smaller unit containers of identical size and type, offered for acceptance, and filled with a homogeneous mixture
of material from one isolated container; or filled with a homogeneous mixture of material manufactured in a single
plant run (not exceeding 24 hours) through the same processing equipment, with no change in ingredient material.
6.3.9 Synthesized paraffinic diesel (SPD). Middle distillate blending component consisting of n-paraffins,
iso-paraffins, and cycloparaffins that meet the requirements of Appendix A. Hydrocarbons shall be derived from
alternative sources such as coal, natural gas, biomass, and hydrogenated fats and oils by processes such as FT
synthesis and hydroprocessing.
6.4 NAVSEA approval and direction. Deviation from specified materials, procedures, and requirements, and
selection of specific alternative materials and procedures require NAVSEA approval or direction. Requests should
include supporting documentation.
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