The Cutter Bit,tool Holder, cataloged under National Stock Number 3455-01-047-4282, 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.. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3455-01-047-4282 |
| Primary Part Number | MSRNR-12-4 |
| Item Name | Cutter Bit,tool Holder |
| FSC / FSG | 3455 / 34 — Cutting Tools for Machine Tools |
| Manufacturer | Kennametal Inc. |
| Status | ACTIVE |
| Overall Thickness | 0.750 INCHES NOMINAL IN |
| Shape | RECTANGULAR |
| Material Location | OVERALL |
| Specification/standard Data | 80204-B212.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Unable to Decode | UNABLE TO DECODE |
| Material | CARBIDE |
| Cutting Edge Finish | UNGROUND |
| 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 |
|---|---|
| MSRNR-12-4 PRIMARY | Kennametal Inc. (USA) |
| MSRNR-12-4-B | Kennametal Inc. Div Charlotte Business Office (USA) |
| MSRNR-12-4 | Seco Tools, Llc Dba Seco (USA) |
| DSRNR-124B PRIMARY | Kennametal Inc. Div Charlotte Business Office (USA) |
| Reference | Meaning |
|---|---|
| B212.3 MSRNR-12-4-B | 3/1 Design control — primary reference U.S. Government activity |
| DSRNR-124 | 5/9 Secondary reference U.S. Government activity |
NSN 3455-01-047-4282 is a Cutter Bit,tool Holder, manufactured by Kennametal Inc., classified under FSC 3455, Cutting Tools for Machine Tools. Status: active.
NSN 3455-01-047-4282 has 4 manufacturer part numbers on file: MSRNR-12-4 (Kennametal Inc.), MSRNR-12-4-B (Kennametal Inc. Div Charlotte Business Office), MSRNR-12-4 (Seco Tools, Llc Dba Seco), DSRNR-124B (Kennametal Inc. Div Charlotte Business Office).
Key specifications for MSRNR-12-4: Overall Thickness: 0.750 INCHES NOMINAL IN; Shape: RECTANGULAR; Overall Length: 4.500 INCHES NOMINAL IN; Overall Width: 0.880 INCHES NOMINAL IN. 7 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.