scope:

This specification covers metallic, metal-ceramic, and semimetallic friction linings that are for replacement of clutch and brake linings (see 6.1). Linings include continuous ring, ring segment button type, and cylindrical segment or block type linings. Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: US Army Tank-Automotive Command, ATTN: AMSTA-GDS, Warren, MI 48397-5000, by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document, or by letter.

Federal specifications do not include all types of the commodity indicated by the titles of the specifications, but are intended to cover only those most generally used by the Federal Government.

The linings covered by this specification shall be of the following types as specified (see 6.2):

Type I - Copper or bronze-base lining surface. Type II - Iron-base lining surface. Type III - Metallic-ceramic lining surface.

intended Use:

The friction lining covered by this specification are used for replacement of clutch and brake linings furnished as original parts on power driven equipment.