3455-01-057-2987 (SM-285)
3455-01-057-2987 is equivalent to manufacture part number SM-285. It is a cutting tool insert shim seat and is classified under Federal Supply Class 3455 (3455 - Cutting Tools for Machine Tools), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 3455 - Cutting Tools for Machine Tools and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.