The Cutter Bit,tool Holder, cataloged under National Stock Number 3455-01-331-2549, is classified within Federal Supply Class 3455 (Cutting Tools for Machine Tools) of the Metalworking Machinery (continued) group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3455-01-331-2549 |
| Item Name | Cutter Bit,tool Holder |
| FSC / FSG | 3455 / 34 — Cutting Tools for Machine Tools |
| Status | ACTIVE |
| Usage Design | CUTTING-OFF TOOL HOLDER |
| Material Location | OVERALL |
| Material | CARBIDE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 87-825 | 5/9 Secondary reference Armstrong Bros Tool Co |
| 87-825 | C/1 Advisory reference — outside the item-of-supply concept Apex Tool Group, Llc Dba Nicholson |
| 87-825 | 3/9 Design control — primary reference Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. |
NSN 3455-01-331-2549 is a Cutter Bit,tool Holder, classified under FSC 3455, Cutting Tools for Machine Tools. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5310-01-562-7851, 6210-01-681-3816. Verify interchangeability with system specifications before substitution.
Key specifications for 3455-01-331-2549: Usage Design: CUTTING-OFF TOOL HOLDER; Overall Length: 3.500 INCHES NOMINAL IN; Overall Width: 0.500 INCHES NOMINAL IN; Material Location: OVERALL. 3 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.