The File,rotary, cataloged under National Stock Number 3455-01-232-8414, is classified within Federal Supply Class 3455 (Cutting Tools for Machine Tools) of the Metalworking Machinery (continued) group. The manufacturer of record is Simonds Industries Inc. Government technical data includes 14 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3455-01-232-8414 |
| Primary Part Number | H-121-D-C |
| Item Name | File,rotary |
| FSC / FSG | 3455 / 34 — Cutting Tools for Machine Tools |
| Manufacturer | Simonds Industries Inc |
| Status | ACTIVE |
| Length | 2.000 INCHES NOMINAL IN |
| Overall Diameter | 0.375 INCHES NOMINAL IN |
| Cutter Tooth Style Designator | C4 |
| Cutting Surface Length | 0.750 INCHES NOMINAL IN |
| Style Designator | TREE SHAPE |
| Diameter | 0.250 INCHES NOMINAL IN |
| Shape | STRAIGHT |
| Mounting Shank | INCLUDED |
| Removability Feature | NOT INCLUDED |
| Shank Overall Length | 2.750 INCHES NOMINAL IN |
| Material | CARBIDE |
| Cutter Tooth Shaping Method | GROUND FROM SOLID |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY SHANK OVERALL LENGTH |
| Cutter Tooth Cut Style | COARSE |
| 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 |
|---|---|
| H-121-D-C | Simonds Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| A-A-51151 TY II ST C SZ 5 CL A | 3/1 Design control — primary reference Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
NSN 3455-01-232-8414 is a File,rotary, manufactured by Simonds Industries Inc, classified under FSC 3455, Cutting Tools for Machine Tools. Status: active.
NSN 3455-01-232-8414 has 1 manufacturer part number on file: H-121-D-C (Simonds Industries Inc).
Key specifications for H-121-D-C: Length: 2.000 INCHES NOMINAL IN; Overall Diameter: 0.375 INCHES NOMINAL IN; Cutter Tooth Style Designator: C4; Cutting Surface Length: 0.750 INCHES NOMINAL IN. 14 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.