MIL-PRF-51028C
4.5.1.1 Fuel temperature. The test shall be conducted in accordance with API-MPMS
Chapter 7 - Section 1. Missing components or supplies required for the test, failure to complete,
or to meet applicable criteria shall constitute failure of this test.
4.5.1.2 Fuel Sampling. Fuel sampling shall be conducted in accordance with ASTM D 4057,
using the tube sampling procedure. Missing components or supplies required for the test, failure
to complete, or inability to collect a sample of the specified volume (section 3.4.1b) shall
constitute failure of this test.
4.5.1.3 Relative density. The test shall be conducted in accordance with ASTM D 1298 with
a known test sample. Missing components or supplies required for the test or failure to complete
shall constitute failure of this test.
4.5.1.4 Fuel gaging. The test shall be conducted in accordance with API-MPMS Chapter 3 -
Section 1a. Missing components or supplies required for the test, failure to complete, or to meet
applicable criteria shall constitute failure of this test.
4.5.1.5 Equipment and Material Quantities. The types and quantities of the equipment and
materials used to conduct the tests in 4.5.1.1 through 4.5.1.4 shall be extrapolated to determine
the capability of the kit to perform initial sampling and at least 20 repetitions of the required tests
(see 3.4.1).
4.5.2 Environmental.
4.5.2.1 High Temperature - Storage. The test kit, with case closed, shall be subjected to a
high temperature environment of 63 ± 1 °C for 4 hours, after an initial period of 6 hours at 49 ± 1
°C. Raising and lowering of the temperature shall be accomplished within a period of 1 hour, for
a total cycle time of 12 hours. A minimum of seven cycles (84 hours) is required. At completion
of the last cycle, adjust chamber air temperature to 20 ± 1 °C and maintain until temperature
stabilization of the test kit has been achieved. Conduct the test procedures outlined in 4.5.1.3 and
4.5.1.4. In addition to the conformance criteria cited therein, the kit case and packing material
shall be examined for deterioration, brittleness, or cracking. Functional failure of the kit
components, case, or packing material, or inability to perform tests, or satisfy test precision
criteria shall constitute failure of this test.
4.5.2.2 High Temperature - Operational. The test kit, with the case open, shall be subjected
to a high temperature of 50 ± 1 ºC for a period of 4 hours. Conduct the test procedures outlined
in 4.5.1.3 and 4.5.1.4 while the temperature is maintained at 50 ± 1 °C. In addition to the
conformance criteria cited therein, functional failure of the kit components, inability to perform
the tests or satisfy test precision criteria shall also constitute failure of this test.
4.5.2.3 Low Temperature - Storage. The test kit, with the case closed, shall be subjected to
a low temperature environment of -33 ± 1 °C for a period of 48 hours. At the end of this
exposure, adjust the chamber air temperature to 20 ± 1 °C and maintain until temperature
stabilization of test kit has been achieved. Conduct the test procedures cited in 4.5.1.3 and
4.5.1.4. In addition to the conformance criteria cited therein, the kit case and packing material
shall also be examined for deterioration, brittleness, or cracking. Functional failure of the kit
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