MIL-PRF-51028C
3.3 Materials. The contractor shall select materials capable of meeting all the operational and
environmental requirements specified herein. Test kit components shall be resistant to fuel and
fuel esters, ultraviolet radiation and ozone deterioration. Unbreakable, or break resistant,
materials shall be used as practicable.
3.3.1 Material deterioration and control. The kit and its components shall be fabricated from
compatible materials, inherently corrosion and deterioration resistant or treated to provide
protection against the forms of corrosion and deterioration to which they are susceptible.
3.3.2 Dissimilar metals. Dissimilar materials shall be electrically isolated from one another to
minimize or prevent galvanic corrosion
3.3.3 Recycled, recovered, or environmentally preferable materials. Recycled, recovered, or
environmentally preferable materials shall 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. Used, rebuilt, or remanufactured components, pieces
and parts shall not be incorporated in the test kit.
3.4 Operating parameters.
3.4.1 Major components. The kit shall be provided with all components and accessories
required to perform initial sampling and not less than 20 (each) of the listed tests, on individual
samples, without replenishment. The kit shall include instruction plate(s), or booklet(s) on how to
perform the procedures for testing of fuel. The kit shall also include a table or card for correcting
API gravity readings at any temperature to API gravity readings at 60° F and the reverse. The
sampling and gaging accomplished with this set shall be as follows:
a. API gravity per ASTM D 1298
b. Fuel sampling per ASTM D 4057 (Bottle/beaker sampling - 1qt weighted beaker; All
Levels Sample; volume = 0.71± 0.2 L)
c. Fuel gaging per API MPMS 3.1a (Chapter 3, Section 1a)
d. Fuel temperature per API MPMS 7.1 (Chapter 7, Section 1)
e. API gravity temperature conversion per ASTM D 1250 (Tables 5 and 6)
3.4.2 Case design. The kit components shall be contained in a case. Components shall be
securely restrained, and adequately cushioned to prevent damage during transit.
3.4.2.1 Envelope. The overall dimensions of the case, in storage or transit configuration, shall
not be greater than 23 cm (9.00 inches) long × 91 cm (36.00 inches) deep × 39.5 cm (15.5 inches)
high.
3.4.2.2 Weight. The weight of the kit shall not exceed 10.0 kg (22 pounds).
3.4.2.3 Handles. The design of the case shall incorporate a strap, or other suitable means, for
grasping, handling, and carrying by one person wearing appropriate protective clothing.
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