NPFC - F-F-351
FILTERS AND FILTER ELEMENTS, FLUID PRESSURE: LUBRICATING OIL, BYPASS AND FULL FLOW
| Organization: | NPFC |
| Publication Date: | 22 April 1983 |
| Status: | inactive |
| Page Count: | 37 |
scope:
This specification covers oil filters and oil filter elements of bypass design; and also oil filters and oil filter elements of the outside-to-inside flow-path type of full-flow design for installation on internal combustion engines to remove contaminants from lubricating oil (see 6.1).
Oil filters and oil filter elements shall be of the following types, classes, and styles, as specified (see 6.2):
Type I - Oil filters (with elements), bypass design. Class 1 - Light duty, regular size. Style A - With replaceable element. Style B - Throw-away design. Class 2 - Heavy duty, junior size. Class 3 - Heavy duty, senior size. Type II - Oil filter elements (by pass design). Class 1 - Light duty, regular size. Class 2 - Heavy duty, junior size. Class 3 - Heavy duty, senior size. Type III - Oil filters (with elements), full-flow, throw away design. Type IV - Oil filter elements, full-flow design.
Nominal Nominal
diameter installed length
Class (inches) (inches)
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intended Use:
Bypass type filters and filter elements, and full-flow type filters and filter elements covered by this specification are intended primarily for application to the crankcase lubrication system of... View More
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