F-F-351F
4.6.10 Pullout device tension.
4.6.10.1 Type II element. To determine conformance to 3.5.10.1, with the media
container of a sample type II element held stationary, the pullout device shall be subjected to a
straight tension pull gradually increased to a minimum of 25 lb (11.3 kg). During this test, the
element, the device, and its attaching means shall be observed for any evidence of failure.
4.6.10.2 Type IV, class 4 elements. To determine conformance to 3.5.10.2, type IV,
class 4 filter elements shall be tested as in 4.6.10.1 except that the straight tension pull shall be
gradually increased to a minimum of 100 lb. During and after this test, the device and its
attaching means shall be observed for any evidence of failure.
5. PACKAGING
5.1 Packaging requirements. The preservation, packaging, packing and marking shall be
as specified in the contract or order (see 6.2).
6. NOTES
INFORMATION FOR GUIDANCE ONLY. This section contains information of a
general or explanatory nature which is helpful, but is not mandatory.
6.1 Intended use. Bypass type filters and filter elements, and full-flow type filter elements
covered by this specification are intended primarily for application to the crankcase lubrication
system of engines installed in passenger cars, trucks and similar commercially built ground
vehicles as well as on military combat and transport vehicles.
6.1.1 Other applications. Appropriate provisions of this specification may be used in the
procurement of filters and filter elements required for installation on industrial or marine engines.
6.2 Acquisition requirements. Purchasers should select the preferred options permitted
herein and include the following information in acquisition documents:
a. Title, number, and date of this specification.
b. Issue of the DoDISS to be cited in the solicitation.
c. Class and style (if applicable), of filter, type, and class of filter element
(see 1.2, 3.4.1.1 and 3.4.1.1.1)
d. If first article is required (see 3.2, 4.3 and 6.3).
e. Intended application (when available), including make, type, and year of
vehicle or similar data for engine or filter (see 3.4.1 through 3.4.3).
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