The File,rotary, cataloged under National Stock Number 3455-00-554-8978, is classified within Federal Supply Class 3455 (Cutting Tools for Machine Tools) of the Metalworking Machinery (continued) group. The manufacturer of record is Federal Commercial Item Description Promulgated by General Services Administration Washington DC. Government technical data includes 14 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through both NSN and commercial part number lookups. 13 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3455-00-554-8978 |
| Primary Part Number | A-A-51146B-2A7A |
| Item Name | File,rotary |
| FSC / FSG | 3455 / 34 — Cutting Tools for Machine Tools |
| Manufacturer | Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| Status | ACTIVE |
| Length | 1.688 INCHES NOMINAL IN |
| Overall Diameter | 0.122 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN |
| Cutter Tooth Style Designator | C1 |
| Cutting Surface Length | 0.500 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL SHAPE WITH END CUT |
| Diameter | 0.250 INCHES NOMINAL IN |
| Shape | STRAIGHT |
| Mounting Shank | INCLUDED |
| Removability Feature | NOT INCLUDED |
| Nondefinitive Spec/std Data | 2 TYPE AND A STYLE AND 7 SIZE AND A CLASS |
| Shank Overall Length | 2.188 INCHES NOMINAL IN |
| 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 |
|---|---|
| A-A-51146B-2A7A | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| Reference | Meaning |
|---|---|
| TC-01A-C0-E/C | 5/1 Secondary reference Jarvis Cutting Tools Inc |
| AGA-W-C-EC | 5/9 Secondary reference Severance Tool Industries Inc. |
| TC-01A-EC-C | 5/9 Secondary reference Jarvis Corp |
| 421-242-C-EC | 5/9 Secondary reference Rocarb Industries Inc |
| A-A-51146 | 5/1 Secondary reference Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| 41125020E | 5/9 Secondary reference Ford, M a Manufacturing Co Inc |
| SB-11C | 5/1 Secondary reference Carbide Tools for Industry, Inc. |
| AC-23-EC-C | 5/9 Secondary reference U.S. Government activity |
| SA11-1/2-EC-C | 5/9 Secondary reference Tungsten Industries |
| AE-101-C | 5/1 Secondary reference Rico Tool Co Inc |
| AE-103-C | 5/9 Secondary reference U.S. Government activity |
| TCR-100EC-C | 5/9 Secondary reference Rota File Corporation Dba Rota Tool |
| BP-3-279 | 5/9 Secondary reference Tungsten Industries |
NSN 3455-00-554-8978 is a File,rotary, manufactured by Federal Commercial Item Description Promulgated by General Services Administration Washington DC, classified under FSC 3455, Cutting Tools for Machine Tools. Status: active.
NSN 3455-00-554-8978 has 1 manufacturer part number on file: A-A-51146B-2A7A (Federal Commercial Item Description Promulgated by General Services Administration Washington DC).
Key specifications for A-A-51146B-2A7A: Length: 1.688 INCHES NOMINAL IN; Overall Diameter: 0.122 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN; Cutter Tooth Style Designator: C1; Cutting Surface Length: 0.500 INCHES NOMINAL IN. 14 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.