The Chip Breaker, cataloged under National Stock Number 3455-01-047-5777, 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 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3455-01-047-5777 |
| Primary Part Number | CBT-16N |
| Item Name | Chip Breaker |
| FSC / FSG | 3455 / 34 — Cutting Tools for Machine Tools |
| Manufacturer | Kennametal Inc. Div Charlotte Business Office |
| Status | ACTIVE |
| Mounting Method | CLAMP |
| Overall Thickness | 0.094 INCHES NOMINAL IN |
| Angular Measurement and Type | 80.0 DEGREES INCLUDED |
| Inscribed Circle Diameter | 0.500 INCHES IN |
| Shape | TRIANGULAR |
| Function for Which Designed | MILLING AND TURNING |
| Material | CARBIDE |
| 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 |
|---|---|
| CBT-16N PRIMARY | Kennametal Inc. Div Charlotte Business Office (USA) |
| Reference | Meaning |
|---|---|
| CBT-16N | 5/9 Secondary reference U.S. Government activity |
NSN 3455-01-047-5777 is a Chip Breaker, manufactured by Kennametal Inc. Div Charlotte Business Office, classified under FSC 3455, Cutting Tools for Machine Tools. Status: active.
NSN 3455-01-047-5777 has 1 manufacturer part number on file: CBT-16N (Kennametal Inc. Div Charlotte Business Office).
Key specifications for CBT-16N: Mounting Method: CLAMP; Overall Thickness: 0.094 INCHES NOMINAL IN; Angular Measurement and Type: 80.0 DEGREES INCLUDED; Inscribed Circle Diameter: 0.500 INCHES IN. 7 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.