The File,rotary, cataloged under National Stock Number 3455-01-009-2858, is classified within Federal Supply Class 3455 (Cutting Tools for Machine Tools) of the Metalworking Machinery (continued) group. The manufacturer of record is Olympus America Inc. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 18 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3455-01-009-2858 |
| Primary Part Number | 421-842-DCM |
| Item Name | File,rotary |
| FSC / FSG | 3455 / 34 — Cutting Tools for Machine Tools |
| Manufacturer | Olympus America Inc |
| Status | ACTIVE |
| Length | 1.500 INCHES NOMINAL IN |
| Overall Diameter | 0.500 INCHES NOMINAL IN |
| Cutter Tooth Style Designator | C4 |
| Cutting Surface Length | 1.000 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL SHAPE WITHOUT END CUT |
| Diameter | 0.250 INCHES NOMINAL IN |
| Shape | STRAIGHT |
| Mounting Shank | INCLUDED |
| Removability Feature | NOT INCLUDED |
| Shank Overall Length | 2.500 INCHES NOMINAL IN |
| Material | TUNGSTEN CARBIDE |
| Cutter Tooth Shaping Method | GROUND FROM SOLID |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY STYLE DESIGNATOR |
| Cutter Tooth Cut Style | MEDIUM |
| 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 |
|---|---|
| 421-842-DCM | Olympus America Inc (USA) |
| SA-5-DC | Carbide Tools for Industry, Inc. (USA) |
| SA-5-DC | Kennametal Inc. (USA) |
| 16-32A-M-DC | Johnson Carbide Products Inc (USA) |
| TC-03 DIA CUT | Jarvis Cutting Tools Inc (USA) |
| PGLAW-M-DC | Fischer Usa Inc (USA) |
| A-106-M-DC | Rico Tool Co Inc (USA) |
| Reference | Meaning |
|---|---|
| SA5-DC | 5/9 Secondary reference Tungsten Industries |
| 041-1087-20 | 5/9 Secondary reference Federal-Mogul Corp Target Products Div Kansas City Plant |
| AC-73-DC-M | 5/9 Secondary reference U.S. Government activity |
| 41500037 | 5/9 Secondary reference Ford, M a Manufacturing Co Inc |
| A141D | 5/9 Secondary reference U.S. Government activity |
| 5110PL1383178 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| A-A-51146 TY II ST D SZ 15 CL B | 3/1 Design control — primary reference Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| A-A-51146 | 4/1 Identification reference Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| 421-842-DCM | 5/9 Secondary reference Olympus Scientific Solutions Technologies Inc. |
| 32.556-1 | 5/9 Secondary reference Grobet File Company of America, Inc. Dba Use CAGE Code 26462 for Cataloging |
| TCR-111-DC | 5/9 Secondary reference Rota File Corporation Dba Rota Tool |
| 32.557 | 5/9 Secondary reference Grobet File Company of America, Inc. Dba William Dixon |
| SA5-DC | 5/1 Secondary reference U.S. Government activity |
| 8-16-A-DC-M | 5/9 Secondary reference Lear Siegler Inc National Twist Drill and Tool Div |
| 889008 | 5/2 Secondary reference U.S. Government activity |
| SA5-DC | 5/9 Secondary reference U.S. Government activity |
| 421-842-M-DC | 5/9 Secondary reference Rocarb Industries Inc |
| 041-1087-20 | 5/9 Secondary reference U.S. Government activity |
NSN 3455-01-009-2858 is a File,rotary, manufactured by Olympus America Inc, classified under FSC 3455, Cutting Tools for Machine Tools. Status: active.
NSN 3455-01-009-2858 has 7 manufacturer part numbers on file: 421-842-DCM (Olympus America Inc), SA-5-DC (Carbide Tools for Industry, Inc.), SA-5-DC (Kennametal Inc.), 16-32A-M-DC (Johnson Carbide Products Inc), TC-03 DIA CUT (Jarvis Cutting Tools Inc) and 2 more.
4 possible matches (shared part number, not a government interchangeability claim): 5306-01-124-1226, 3010-01-260-3039, 3455-01-355-6183. Verify interchangeability with system specifications before substitution.
Key specifications for 421-842-DCM: Length: 1.500 INCHES NOMINAL IN; Overall Diameter: 0.500 INCHES NOMINAL IN; Cutter Tooth Style Designator: C4; Cutting Surface Length: 1.000 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.