The Insert,cutting Tool, cataloged under National Stock Number 3455-01-148-9053, is classified within Federal Supply Class 3455 (Cutting Tools for Machine Tools) of the Metalworking Machinery (continued) group. The manufacturer of record is American National Carbide Co. Government technical data includes 10 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3455-01-148-9053 |
| Primary Part Number | TNMG321GMAN2020 |
| Item Name | Insert,cutting Tool |
| FSC / FSG | 3455 / 34 — Cutting Tools for Machine Tools |
| Manufacturer | American National Carbide Co |
| Status | ACTIVE |
| Mounting Method | PLAIN HOLE |
| Overall Thickness | 0.125 INCHES NOMINAL IN |
| Angular Measurement and Type | 60.0 DEGREES INCLUDED AND 5.0 DEGREES RAKE |
| Inscribed Circle Diameter | 0.375 INCHES IN |
| Mounting Hole Diameter | 0.150 INCHES IN |
| Shape | TRIANGULAR |
| Features Provided | CHIPBREAKER AND HONED AND COATED AND NEGATIVE RAKE |
| Function for Which Designed | MILLING |
| Material | CARBIDE |
| Point Radius | 0.016 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-321/KC850 | Kennametal Inc. Div Charlotte Business Office (USA) |
| TNMG321GMAN2020 PRIMARY | American National Carbide Co (USA) |
| Reference | Meaning |
|---|---|
| TNMG-321A/TNT | 5/9 Secondary reference American National Carbide Co |
| B94.25 TABLE 19 | 3/1 Design control — primary reference U.S. Government activity |
| TNMG-321/764 | 5/9 Secondary reference Hertel Cutting Technologies Inc |
| TNMG-321-KC850 | 5/9 Secondary reference U.S. Government activity |
| TNMG-321/VN8 | 5/9 Secondary reference Valenite Inc |
NSN 3455-01-148-9053 is a Insert,cutting Tool, manufactured by American National Carbide Co, classified under FSC 3455, Cutting Tools for Machine Tools. Status: active.
NSN 3455-01-148-9053 has 2 manufacturer part numbers on file: TNMG-321/KC850 (Kennametal Inc. Div Charlotte Business Office), TNMG321GMAN2020 (American National Carbide Co).
Key specifications for TNMG321GMAN2020: Mounting Method: PLAIN HOLE; Overall Thickness: 0.125 INCHES NOMINAL IN; Angular Measurement and Type: 60.0 DEGREES INCLUDED AND 5.0 DEGREES RAKE; Inscribed Circle Diameter: 0.375 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.