MIL-DTL-83054C
4.3 Test conditions.
4.3.1 Temperature and humidity. Unless otherwise specified herein, all tests shall be conducted under
known conditions of temperature and relative humidity. Prior to physical property testing, specimens
shall be preconditioned in the test environment a minimum of 30 minutes.
4.3.2 Test fluids. Unless otherwise specified herein, the test fluids shall be of known properties and
certified in accordance with the referenced military specification. The turbine fuels conforming to MIL-
DTL-5624 may be obtained from the qualifying activity along with a certified test report defining, as a
minimum, the specific gravity, distillation, aromatic content, existent gum, sulfur content, Reid vapor
pressure (grade JP-4 turbine fuel only), and anti-icing additive level in accordance with MIL-DTL-
27686.
4.3.3 Basic property testing. Unless otherwise specified herein, all basic property tests shall be in
accordance with the applicable sections specified in Part 28 of ASTM-D3574. In the case where more
than one specimen is tested, the average shall be determined. However, all values shall be reported for
all but production testing. Unless otherwise specified, all sample specimens shall be tested in the dry
condition. In the case where fuel wet testing is required (special tension, tear resistance, and
compression load deflection tests) the specimen should be removed from the test fluid immediately prior
to property testing, drained of excess fuel, and then tested.
4.3.4 Specimen cutting. Unless otherwise specified herein, specimen cutting shall be by die or saw
cutting.
4.4 Qualification inspection (see 6.2).
4.4.1 Samples. The specific bun of material chosen for the qualification tests shall be typical of future
production buns in terms of density and porosity (air pressure drop). Unless otherwise specified herein,
this bun shall be selected from near the mid range in allowable porosity properties.
4.4.1.1 Specimen section location. All specimens shall be prepared from production material within the
test section locations specified herein.
4.4.1.2 For qualification and process control tests. For qualification and process control tests, the test
section shall consist of a full-size bun which has been sectioned to provide for all the qualification test
samples and test specimens. All qualification test specimens used shall be from the same machine run of
production material and from tile specified area defined under 4.6. Where practicable, the material used
shall be representative of the mid range in density and pore size (air pressure drop) for the given
product.
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