F-F-351E, FEDERAL SPECIFICATION: FILTERS AND FILTER ELEMENTS, FLUID PRESSURE: LUBRICATING OIL, BYPASS AND FULL FLOW (15-MAY-1998)

F-F-351E, FEDERAL SPECIFICATION: FILTERS AND FILTER ELEMENTS, FLUID PRESSURE: LUBRICATING OIL, BYPASS AND FULL FLOW (15-MAY-1998)., 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.l).