The Cutter Bit,tool Holder, cataloged under National Stock Number 3455-00-174-7841, is classified within Federal Supply Class 3455 (Cutting Tools for Machine Tools) of the Metalworking Machinery (continued) group. The manufacturer of record is Kennametal Inc. Div Kennametal Industrial Products Group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3455-00-174-7841 |
| Primary Part Number | 860-3/16 |
| Item Name | Cutter Bit,tool Holder |
| FSC / FSG | 3455 / 34 — Cutting Tools for Machine Tools |
| Manufacturer | Kennametal Inc. Div Kennametal Industrial Products Group |
| Status | ACTIVE |
| Body Finish and Location | GROUND SIDE |
| Overall Thickness | 0.187 INCHES NOMINAL IN |
| Shape | SQUARE |
| Material Location | OVERALL |
| Nondefinitive Spec/std Data | I TYPE AND 1 STYLE AND B GRADE AND M-46 CLASS |
| Material | STEEL ALLOY |
| Cutting Edge Finish | UNGROUND |
| 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 |
|---|---|
| 860-3/16 | Kennametal Inc. Div Kennametal Industrial Products Group (USA) |
| 3506-0187 | Kennametal Inc. Div Kennametal Industrial Products Group (USA) |
| 44571 | Kennametal Inc. Div Kennametal Industrial Products Group (USA) |
| Reference | Meaning |
|---|---|
| A-A-51130 | 4/1 Identification reference Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| 860-3/16 | 5/9 Secondary reference Cleveland Twist Drill Co Div of Greenfield Industries Inc |
| 3506-0187 | 5/9 Secondary reference Cleveland Twist Drill Co Div of Greenfield Industries Inc |
| 44571 | 5/9 Secondary reference Cleveland Twist Drill Co Div of Greenfield Industries Inc |
| OO-C-851 | 5/9 Secondary reference U.S. Government activity |
NSN 3455-00-174-7841 is a Cutter Bit,tool Holder, manufactured by Kennametal Inc. Div Kennametal Industrial Products Group, classified under FSC 3455, Cutting Tools for Machine Tools. Status: active.
NSN 3455-00-174-7841 has 3 manufacturer part numbers on file: 860-3/16 (Kennametal Inc. Div Kennametal Industrial Products Group), 3506-0187 (Kennametal Inc. Div Kennametal Industrial Products Group), 44571 (Kennametal Inc. Div Kennametal Industrial Products Group).
Key specifications for 860-3/16: Body Finish and Location: GROUND SIDE; Overall Thickness: 0.187 INCHES NOMINAL IN; Shape: SQUARE; Overall Length: 2.500 INCHES NOMINAL IN. 7 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.