MIL-DTL-62011E
4.5.1 Individual inspection. Each pump shall be subjected to the inspections and tests specified, and
in the order listed as specified in table II.
TABLE II. Individual inspection.
Inspection
Requirement paragraph
Test paragraph
Examination of product
Pressure and flow test
Pumpdown
Coupling capability (static)
Coupling capability (dynamic)
Hermetic sealing
4.5.2 Sampling inspection. When a single procurement involves less than 100 pumps, one of the
first 10 pumps produced shall be randomly selected and tested. When a single procurement involves 100
pumps or more, one of the first 10 pumps and one of each block of pumps, up to 500 pumps per block,
produced thereafter shall be randomly selected and tested. Each pump selected shall be subjected to
tests specified, and in the order listed as specified in table III.
TABLE III. Sampling inspection.
Inspection
Requirement paragraph
Test paragraph
Dry operation
On-off cycling
Pressure and flow test
Vibration resistance
4.6 Examinations and tests.
4.6.1 Examination of product. Each pump and its manufacturing records shall be examined to verify
conformance to this specification with respect to materials, design and construction (except for hermetic
4.6.2 Hermetic Sealing. The pump shall be totally submerged under water in a test chamber for
approximately 5 minutes. A vacuum of not less than 3 psig (21 Kpa) shall be pulled on the test chamber
during this test period. The pump shall be monitored to verify no leakage, as evidenced by no stream of
air bubbles.
4.6.3 Pressure and flow test (see 3.5.1). The pump shall be mounted in the test apparatus, test fuel
added, and all fluid and electrical lines connected. The pump shall be operated at 18±0.1V dc and
27.5±0.1 V dc. Pressure readings at various flow rates shall be made.
the following exceptions:
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