scope:

This specification covers oil filters and oil filter elements of bypass design; and also 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).

Filters and filter elements shall be of the following types, classes, and styles, as specified (see 6.2 and 6.4.9):

Type I - Filter assembly, bypass design. Class 1 - Light duty, regular size. Style B - Throw-away design. Class 3 - Heavy duty, senior size. Type II - Filter elements, bypass design. Class 1 - Light duty, regular size. Class 3 - Heavy duty, senior size. Type IV - Filter elements, full-flow design. Classes 1 - 4 - See F-F-351/7 for discerning information.

Beneficial comments, recommendations, additions, deletions, clarifications etc. and any other data which may improve this document should be sent by letter to: U.S. Army Tank-automotive and Armaments Command, ATTN: AMSTA-TR-E/BLUE, Warren, MI 48397-5000.

intended Use: