The Insert,cutting Tool, cataloged under National Stock Number 3455-01-041-4919, 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. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3455-01-041-4919 |
| Primary Part Number | TNMG-543 K68 |
| Item Name | Insert,cutting Tool |
| FSC / FSG | 3455 / 34 — Cutting Tools for Machine Tools |
| Manufacturer | Kennametal Inc. Div Charlotte Business Office |
| Status | ACTIVE |
| Mounting Method | PLAIN HOLE |
| Overall Thickness | 0.250 INCHES NOMINAL IN |
| Angular Measurement and Type | 60.0 DEGREES INCLUDED |
| Inscribed Circle Diameter | 0.625 INCHES IN |
| Mounting Hole Diameter | 0.250 INCHES IN |
| Shape | TRIANGULAR |
| Features Provided | CHIPBREAKER AND NEGATIVE RAKE AND HONED |
| Specification/standard Data | 80204-B94.25 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Function for Which Designed | MILLING |
| Material | CARBIDE |
| Point Radius | 0.047 INCHES IN |
| 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 543E 48-883 | Seco Tools, Llc Dba Seco (USA) |
| TNMG-543 K68 PRIMARY | Kennametal Inc. Div Charlotte Business Office (USA) |
| Reference | Meaning |
|---|---|
| TNMG-543 K68 | 5/9 Secondary reference U.S. Government activity |
| B94.25 TABLE 23 TNMG-543 | 3/1 Design control — primary reference U.S. Government activity |
NSN 3455-01-041-4919 is a Insert,cutting Tool, manufactured by Kennametal Inc. Div Charlotte Business Office, classified under FSC 3455, Cutting Tools for Machine Tools. Status: active.
NSN 3455-01-041-4919 has 2 manufacturer part numbers on file: TNMG 543E 48-883 (Seco Tools, Llc Dba Seco), TNMG-543 K68 (Kennametal Inc. Div Charlotte Business Office).
Key specifications for TNMG-543 K68: Mounting Method: PLAIN HOLE; Overall Thickness: 0.250 INCHES NOMINAL IN; Angular Measurement and Type: 60.0 DEGREES INCLUDED; Inscribed Circle Diameter: 0.625 INCHES IN. 11 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.