The Cutter Bit,tool Holder, cataloged under National Stock Number 3455-01-243-3629, is classified within Federal Supply Class 3455 (Cutting Tools for Machine Tools) of the Metalworking Machinery (continued) group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3455-01-243-3629 |
| Item Name | Cutter Bit,tool Holder |
| FSC / FSG | 3455 / 34 — Cutting Tools for Machine Tools |
| Status | ACTIVE |
| Overall Thickness | 0.500 INCHES NOMINAL IN |
| Shape | SQUARE |
| Material Location | OVERALL |
| Edge Type | SQUARE NOSE |
| Unable to Decode | UNABLE TO DECODE |
| Material | STEEL |
| Cutting Edge Finish | GROUND TO SHAPE |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY OVERALL THICKNESS,OVERALL WIDTH,SQUARE END AND CLASS |
| 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 |
|---|---|
| 00-C-851 | 5/9 Secondary reference U.S. Government activity |
| A-A-51130TY1 ST1 GR-B CL-T4 FN-A | 3/1 Design control — primary reference Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
NSN 3455-01-243-3629 is a Cutter Bit,tool Holder, classified under FSC 3455, Cutting Tools for Machine Tools. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 3455-01-243-7018. Verify interchangeability with system specifications before substitution.
Key specifications for 3455-01-243-3629: Overall Thickness: 0.500 INCHES NOMINAL IN; Shape: SQUARE; Overall Length: 4.000 INCHES NOMINAL IN; Overall Width: 0.500 INCHES NOMINAL IN. 8 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.