F-F-351F
TABLE VI. Conformance test table.
Type I
Type II
Type IV
Requirement
Class
Class
Class
Title
Requirements verification
1
3
1
3
1234
Pressure resistance
3.5.1
4.6.1
XX
Media migration
3.5.2
4.6.2
Antidrain-back device
3.5.3
4.6.3
Additive removal
3.5.4
4.6.4
Filtering ability
3.5.5
4.6.5
XX
X
X
XXXX
Shock resistance
3.5.6
4.6.6
End load strength
3.5.7
4.6.7
Differential pressure
3.5.8
4.6.8
Force-cover spring
3.5.9
4.6.9
Pull-out device tension
3.5.10
4.6.10
4.5 Test conditions.
4.5.1 Applicable methods. The tests shall be conducted as specified herein or in
accordance with the applicable methods of ASTM D874.
4.5.2 Test tolerances. Unless otherwise specified (see 6.2), test tolerances for pressure,
temperature and flow shall be as follows:
a. Pressure: +1 psi for types I and II, + 5% for type IV.
b. Temperature: ± 5 degrees Fahrenheit (°F) for types I, II, and IV.
c. Flow rate: ± 5% for type IV.
4.5.3 Ambient test conditions. Unless otherwise specified (see 6.2), all inspections shall
be conducted under the following conditions:
a. Air temperature: 78 ± 18°F (25.6 ± 10 degrees Celsius (°C)).
b. Relative humidity: uncontrolled room ambient.
c. Atmospheric pressure: site pressure.
4.5.4 Test filters. When the use of a standard filter or a standard filter body is required in
the test methods specified hereinafter, such filter or filter body shall be in accordance with the
applicable provisions of section 3 and figure 1, or F-F-351/2.
4.5.5 Reference test oils. Unless otherwise specified (see 6.2), reference test oils required
in the test methods specified herein shall conform to the following specifications:
13
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