The File,rotary, cataloged under National Stock Number 3455-01-045-9156, is classified within Federal Supply Class 3455 (Cutting Tools for Machine Tools) of the Metalworking Machinery (continued) group. The manufacturer of record is Quality Carbide Tool Inc.. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3455-01-045-9156 |
| Primary Part Number | 640-3121 |
| Item Name | File,rotary |
| FSC / FSG | 3455 / 34 — Cutting Tools for Machine Tools |
| Manufacturer | Quality Carbide Tool Inc. |
| Status | ACTIVE |
| Overall Diameter | 0.250 INCHES NOMINAL IN |
| Cutter Tooth Style Designator | C8 |
| Cutting Surface Length | 0.625 INCHES NOMINAL IN |
| Diameter | 0.250 INCHES NOMINAL IN |
| Shape | STRAIGHT |
| Mounting Shank | INCLUDED |
| Removability Feature | NOT INCLUDED |
| Material | CARBIDE |
| Cutter Tooth Shaping Method | GROUND FROM SOLID |
| Cutter Tooth Cut Style | COARSE |
| 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 |
|---|---|
| 640-3121 PRIMARY | Quality Carbide Tool Inc. (USA) |
| Reference | Meaning |
|---|---|
| 1547-5/16 | 5/9 Secondary reference U.S. Government activity |
| A-A-51146 TY2 STD SZ11 CLA | 4/1 Identification reference Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| 98-00840 | 5/9 Secondary reference Simonds Industries Inc |
NSN 3455-01-045-9156 is a File,rotary, manufactured by Quality Carbide Tool Inc., classified under FSC 3455, Cutting Tools for Machine Tools. Status: active.
NSN 3455-01-045-9156 has 1 manufacturer part number on file: 640-3121 (Quality Carbide Tool Inc.).
Key specifications for 640-3121: Overall Diameter: 0.250 INCHES NOMINAL IN; Cutter Tooth Style Designator: C8; Cutting Surface Length: 0.625 INCHES NOMINAL IN; Diameter: 0.250 INCHES NOMINAL 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.