MIL-PRF-52666F
Type I
-
15 gpm intended for use in portable refueling systems.
Type II, class A
-
50 gpm intended for open field installations.
Type II, class B
-
50 gpm intended for use only with the tank and pump units.
Type III.
-
100 gpm intended for use in airfield refueling systems,
motor fuel servicing equipment, and military pipeline
systems.
Type IV
-
350 gpm intended for use in air field refueling systems,
motor fuel servicing equipment, and the inland petroleum
distribution system.
The filter/separators cover by this performance specification are military unique because they
must be able to operate satisfactorily at temperatures ranging from minus 25 °F to 140 °F and
interface with the military standard filter-coalescer element, which is 3.75 inches in diameter.
Commercial filter/separators are not designed to withstand such extreme and sudden operating
environmental conditions and their filter-coalescer elements are 6 inches in diameter.
6.2 Acquisition requirements. Acquisition documents should specify the following:
a. Title, number, and date of this specification.
b. Type and class of F/S required by the government (see 1.2).
c. Issue of DoDISS to be cited in the solicitation, and if required, the specific issue of
individual documents referenced (see 2.2.1 and 2.3).
d. When a first article is required for inspection and approval, time frame for submission,
and the number of units required (see 3.1).
e. When adapters and sampling probes are required (see 3.3.8).
f. When the inlet and outlet fittings on the F/S will be other than as specified (see 3.5.3).
g. For Army procurements, when the use of MIL-C-46168 and FED-STD-595 is mandated
(see 3.6).
h. When camouflage pattern painting is required (see 3.6).
i. When instruction marking is to be other than as specified (see 3.7.3).
j. When reliability test is required (see 3.11).
k. When a user evaluation inspection is required (see 4.2).
l. When test fuel temperature is to be other than as specified (see 4.4.2).
m. Packaging requirements (see 5.1).
6.3 First article. When a first article inspection is required, the item(s) to be tested should be
an initial production unit(s). When the Government will conduct some of the examinations and
tests (see 3.8), the contracting officer should specify which examinations and tests will be
conducted by the Government and which examinations and tests will be conducted by the
contractor. The contracting officer should include specific instructions in acquisition documents
regarding arrangements for examinations, tests, approval, and disposal of the first article (see 3.1).
6.4 Technical manuals. The requirement for technical manuals should be considered when
this specification is applied on a contract. If technical manuals are required, specifications and
standards that have been cleared and listed in DoD 5010.12-L, Acquisition Management Systems
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