The Shim Seat,insert,cutting Tool, cataloged under National Stock Number 3455-01-057-2987, is classified within Federal Supply Class 3455 (Cutting Tools for Machine Tools) of the Metalworking Machinery (continued) group. The manufacturer of record is Kennametal Inc. Div Charlotte Business Office. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3455-01-057-2987 |
| Primary Part Number | SM-285 |
| Item Name | Shim Seat,insert,cutting Tool |
| FSC / FSG | 3455 / 34 — Cutting Tools for Machine Tools |
| Manufacturer | Kennametal Inc. Div Charlotte Business Office |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| SM-285 PRIMARY | Kennametal Inc. Div Charlotte Business Office (USA) |
| Reference | Meaning |
|---|---|
| SM285 | 5/9 Secondary reference U.S. Government activity |
NSN 3455-01-057-2987 is a Shim Seat,insert,cutting Tool, manufactured by Kennametal Inc. Div Charlotte Business Office, classified under FSC 3455, Cutting Tools for Machine Tools. Status: active.
NSN 3455-01-057-2987 has 1 manufacturer part number on file: SM-285 (Kennametal Inc. Div Charlotte Business Office).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-351-7717. Verify interchangeability with system specifications before substitution.
Key specifications for SM-285: Overall Length: 0.333 INCHES NOMINAL IN; Overall Width: 0.211 INCHES NOMINAL IN; Special Features: BOTH ENDS CHAMFERED 35 DEGREES,CTR HOLE CHAMFERED 30 DEGREES. 0 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.