The Cutter,milling,end, cataloged under National Stock Number 3455-01-366-4764, is classified within Federal Supply Class 3455 (Cutting Tools for Machine Tools) of the Metalworking Machinery (continued) group. The manufacturer of record is Niagara Cutter Inc. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3455-01-366-4764 |
| Primary Part Number | 66040 |
| Item Name | Cutter,milling,end |
| FSC / FSG | 3455 / 34 — Cutting Tools for Machine Tools |
| Manufacturer | Niagara Cutter Inc |
| Status | ACTIVE |
| Design Form | DOUBLE END |
| Cut Length | 0.375 INCHES NOMINAL IN |
| Diameter | 0.125 INCHES NOMINAL IN |
| Cutting Rotation Direction | RIGHT-HAND |
| Flute Quantity | 2 |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3455-01-366-4764 is a Cutter,milling,end, manufactured by Niagara Cutter Inc, classified under FSC 3455, Cutting Tools for Machine Tools. Status: active.
NSN 3455-01-366-4764 has 2 manufacturer part numbers on file: 66040 (Niagara Cutter Inc), B-5 (Fastcut Tool Corp).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-628-7849. Verify interchangeability with system specifications before substitution.
Key specifications for 66040: Design Form: DOUBLE END; Cut Length: 0.375 INCHES NOMINAL IN; Diameter: 0.125 INCHES NOMINAL IN; Overall Length: 2.250 INCHES NOMINAL IN. 6 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.