The Insert,cutting Tool, cataloged under National Stock Number 3455-00-276-1097, is classified within Federal Supply Class 3455 (Cutting Tools for Machine Tools) of the Metalworking Machinery (continued) group. The manufacturer of record is Seco Tools, Llc Dba Seco. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Insert,cutting Tool |
| FSC / FSG | 3455 — Cutting Tools for Machine Tools (FSG 34) |
| Manufacturers | Seco Tools, Llc Dba Seco (CAGE 10627); Kennametal Inc. Div Charlotte Business Office (CAGE 7W680) |
| Parameter | Value |
|---|---|
| NSN | 3455-00-276-1097 |
| Primary Part Number | TNMG-322E 370 |
| Item Name | Insert,cutting Tool |
| FSC / FSG | 3455 / 34 — Cutting Tools for Machine Tools |
| Manufacturer | Seco Tools, Llc Dba Seco |
| 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 |
|---|---|
| TNMG-322E 370 PRIMARY | Seco Tools, Llc Dba Seco (USA) |
| TNMG-322E-K68 | Kennametal Inc. Div Charlotte Business Office (USA) |
| Reference | Meaning |
|---|---|
| TNMG-322E-K68 | 5/9 Secondary reference U.S. Government activity |
| B212.12 | 3/1 Design control — primary reference U.S. Government activity |
| B94.25 TABLE 23 TNMG-322E | 3/1 Design control — primary reference U.S. Government activity |
NSN 3455-00-276-1097 is a Insert,cutting Tool, manufactured by Seco Tools, Llc Dba Seco, classified under FSC 3455, Cutting Tools for Machine Tools. Status: active.
NSN 3455-00-276-1097 has 2 manufacturer part numbers on file: TNMG-322E 370 (Seco Tools, Llc Dba Seco), TNMG-322E-K68 (Kennametal Inc. Div Charlotte Business Office).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-387-0651. Verify interchangeability with system specifications before substitution.
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.