The Cutter Bit,tool Holder, cataloged under National Stock Number 3455-00-019-4239, is classified within Federal Supply Class 3455 (Cutting Tools for Machine Tools) of the Metalworking Machinery (continued) group. The manufacturer of record is Seco Tools, Llc Dba Seco. The record lists 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Cutter Bit,tool Holder |
| FSC / FSG | 3455 — Cutting Tools for Machine Tools (FSG 34) |
| Manufacturers | Clapp and Haney Tool Co Inc (CAGE 65488); Seco Tools, Llc Dba Seco (CAGE 10627) |
| Parameter | Value |
|---|---|
| NSN | 3455-00-019-4239 |
| Primary Part Number | C-12 350 |
| Item Name | Cutter Bit,tool Holder |
| FSC / FSG | 3455 / 34 — Cutting Tools for Machine Tools |
| Manufacturer | Seco Tools, Llc Dba Seco |
| Status | ACTIVE |
| 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 |
|---|---|
| C-12/350 | Clapp and Haney Tool Co Inc (USA) |
| C-12 350 PRIMARY | Seco Tools, Llc Dba Seco (USA) |
| Reference | Meaning |
|---|---|
| C-12/548 | 5/9 Secondary reference Hertel Cutting Technologies Inc |
| B212.1 C-12 FIG. 5 | 3/1 Design control — primary reference U.S. Government activity |
| 70542 | 5/9 Secondary reference Morse Cutting Tools Div of Morse Cutting Tool Corp |
NSN 3455-00-019-4239 is a Cutter Bit,tool Holder, manufactured by Seco Tools, Llc Dba Seco, classified under FSC 3455, Cutting Tools for Machine Tools. Status: active.
NSN 3455-00-019-4239 has 2 manufacturer part numbers on file: C-12/350 (Clapp and Haney Tool Co Inc), C-12 350 (Seco Tools, Llc Dba Seco).
3 possible matches (shared part number, not a government interchangeability claim): 6675-00-065-7512, 2530-00-326-2495, 4730-01-353-7413. Verify interchangeability with system specifications before substitution.
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.