The Reamer,machine, cataloged under National Stock Number 3455-00-236-3634, 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 Kennametal Industrial Products Group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3455-00-236-3634 |
| Primary Part Number | 4025-0281 |
| Item Name | Reamer,machine |
| FSC / FSG | 3455 / 34 — Cutting Tools for Machine Tools |
| Manufacturer | Kennametal Inc. Div Kennametal Industrial Products Group |
| Status | ACTIVE |
| Flute Design | STRAIGHT |
| Flute Cut Direction | RIGHT-HAND |
| Shank Type | MORSE TAPER |
| Guide | NOT INCLUDED |
| Flute Length | 2.000 INCHES NOMINAL IN |
| Diameter | 0.281 INCHES NOMINAL IN |
| Shank Taper Number | 1 |
| Nondefinitive Spec/std Data | XII TYPE AND A GRADE |
| Flute Type | INTEGRAL |
| Flute Quantity | 6 |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Material | STEEL CUTTING EDGE TIP |
| Reamer Type | JOBBERS |
| 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 |
|---|---|
| 4025-0281 PRIMARY | Kennametal Inc. Div Kennametal Industrial Products Group (USA) |
| 628TAPERN01-9-3 2DIA PRIMARY | Kennametal Inc. Div Kennametal Industrial Products Group (USA) |
| 628TAPERN0-9-32DIA PRIMARY | Kennametal Inc. Div Kennametal Industrial Products Group (USA) |
| C4025-0281 PRIMARY | Kennametal Inc. Div Kennametal Industrial Products Group (USA) |
| 712-043066 PRIMARY | Doall Baltimore Company (USA) |
| D-506 9/32 | Doall Baltimore Company (USA) |
| Reference | Meaning |
|---|---|
| 4025-0281 | 5/9 Secondary reference Cleveland Twist Drill Co Div of Greenfield Industries Inc |
| 628TAPERN01-9-32DIA | 5/9 Secondary reference Cleveland Twist Drill Co Div of Greenfield Industries Inc |
| GGG-R-180 | 4/1 Identification reference U.S. Government activity |
NSN 3455-00-236-3634 is a Reamer,machine, manufactured by Kennametal Inc. Div Kennametal Industrial Products Group, classified under FSC 3455, Cutting Tools for Machine Tools. Status: active.
NSN 3455-00-236-3634 has 6 manufacturer part numbers on file: 4025-0281 (Kennametal Inc. Div Kennametal Industrial Products Group), 628TAPERN01-9-3 2DIA (Kennametal Inc. Div Kennametal Industrial Products Group), 628TAPERN0-9-32DIA (Kennametal Inc. Div Kennametal Industrial Products Group), C4025-0281 (Kennametal Inc. Div Kennametal Industrial Products Group), 712-043066 (Doall Baltimore Company) and 1 more.
Key specifications for 4025-0281: Flute Design: STRAIGHT; Flute Cut Direction: RIGHT-HAND; Shank Type: MORSE TAPER; Guide: NOT INCLUDED. 13 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.