The Insert,cutting Tool, cataloged under National Stock Number 3455-01-041-8409, is classified within Federal Supply Class 3455 (Cutting Tools for Machine Tools) of the Metalworking Machinery (continued) group. The manufacturer of record is Walter Usa, Llc. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3455-01-041-8409 |
| Primary Part Number | TNFM-221EL/VN-5 |
| Item Name | Insert,cutting Tool |
| FSC / FSG | 3455 / 34 — Cutting Tools for Machine Tools |
| Manufacturer | Walter Usa, Llc |
| Status | ACTIVE |
| Mounting Method | PLAIN HOLE |
| Overall Thickness | 0.125 INCHES NOMINAL IN |
| Angular Measurement and Type | 60.0 DEGREES INCLUDED |
| Inscribed Circle Diameter | 0.250 INCHES IN |
| Mounting Hole Diameter | 0.089 INCHES IN |
| Shape | TRIANGULAR |
| Features Provided | NEGATIVE RAKE AND POSITIVE RAKE |
| Function for Which Designed | MILLING |
| Material | CARBIDE |
| Point Radius | 0.015 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 |
|---|---|
| TNFM-221EL/VN-5 | Walter Usa, Llc (USA) |
| Reference | Meaning |
|---|---|
| TNFM-221EL/VN-5 | 3/9 Design control — primary reference Valenite Inc |
NSN 3455-01-041-8409 is a Insert,cutting Tool, manufactured by Walter Usa, Llc, classified under FSC 3455, Cutting Tools for Machine Tools. Status: active.
NSN 3455-01-041-8409 has 1 manufacturer part number on file: TNFM-221EL/VN-5 (Walter Usa, Llc).
Key specifications for TNFM-221EL/VN-5: Mounting Method: PLAIN HOLE; Overall Thickness: 0.125 INCHES NOMINAL IN; Angular Measurement and Type: 60.0 DEGREES INCLUDED; Inscribed Circle Diameter: 0.250 INCHES IN. 10 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.