The Clamp,tool Holder, cataloged under National Stock Number 3460-01-043-0185, is classified within Federal Supply Class 3460 (Machine Tool Accessories) of the Metalworking Machinery (continued) group. The manufacturer of record is Kennametal Inc. Div Charlotte Business Office. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3460-01-043-0185 |
| Primary Part Number | CK-21 |
| Item Name | Clamp,tool Holder |
| FSC / FSG | 3460 / 34 — Machine Tool Accessories |
| Manufacturer | Kennametal Inc. Div Charlotte Business Office |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,ROUND 1/2 IN. DIAMETER IN |
| 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 |
|---|---|
| CK-21 PRIMARY | Kennametal Inc. Div Charlotte Business Office (USA) |
| Reference | Meaning |
|---|---|
| CK-21 | 5/9 Secondary reference U.S. Government activity |
NSN 3460-01-043-0185 is a Clamp,tool Holder, manufactured by Kennametal Inc. Div Charlotte Business Office, classified under FSC 3460, Machine Tool Accessories. Status: active.
NSN 3460-01-043-0185 has 1 manufacturer part number on file: CK-21 (Kennametal Inc. Div Charlotte Business Office).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-267-5944. Verify interchangeability with system specifications before substitution.
Key specifications for CK-21: General Characteristics Item Description: STEEL,ROUND 1/2 IN. DIAMETER IN. 1 specification is 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.