PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

78666File,rotary

Kennametal Inc. · NSN 3455-00-021-2415 · FSC 3455 · No Item Name Available
Verified by PartsTable
NSN 3455-00-021-2415 — this item is cataloged by the U.S. Government under National Stock Number 3455-00-021-2415. Primary manufacturer part number: 78666.
Features
  • File,rotary — FSC 3455
  • Cutter Tooth Style Designator: C13
  • Cutter Tooth Shaping Method: GROUND FROM SOLID
  • Removability Feature: NOT INCLUDED
  • Material: TUNGSTEN CARBIDE
  • Style Designator: TREE SHAPE
  • Nondefinitive Spec/std Data: 2 TYPE AND A STYLE AND 2 SIZE AND B CLASS
  • Length: 1.500 INCHES NOMINAL IN
Applications
  • Applications requiring Tungsten Carbide construction
General Description

The File,rotary, cataloged under National Stock Number 3455-00-021-2415, is classified within Federal Supply Class 3455 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Kennametal Inc.. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 21 commercial cross-references from 13 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3455-00-021-2415
Primary Part Number78666
Item NameFile,rotary
FSC / FSG3455 / 34 — No Item Name Available
ManufacturerKennametal Inc.
StatusCANCELLED
Cutter Tooth Style DesignatorC13
Cutter Tooth Shaping MethodGROUND FROM SOLID
Removability FeatureNOT INCLUDED
MaterialTUNGSTEN CARBIDE
Style DesignatorTREE SHAPE
Nondefinitive Spec/std Data2 TYPE AND A STYLE AND 2 SIZE AND B CLASS
Length1.500 INCHES NOMINAL IN
Overall Diameter0.125 INCHES NOMINAL IN
Mounting ShankINCLUDED
Shank Overall Length1.875 INCHES NOMINAL IN
Diameter0.125 INCHES NOMINAL IN
Cutting Surface Length0.375 INCHES NOMINAL IN
Cutter Tooth Cut StyleMEDIUM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3455-00-023-4279 INTERCHANGEABLE
File,rotary
5940-00-107-088332883 INTERCHANGEABLE
Terminal,lug
Te Connectivity Corporation
5962-00-135-9471 INTERCHANGEABLE
Microcircuit,digital
5360-00-145-8563 INTERCHANGEABLE
Spring,helical,compression
3830-00-161-999632883 INTERCHANGEABLE
Shaft
Hyster-Yale Group, Inc.
5331-00-263-8030MS29512-06 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
3455-00-266-9448 INTERCHANGEABLE
File,rotary
3455-00-266-9449 INTERCHANGEABLE
File,rotary
3455-00-266-9450 INTERCHANGEABLE
File,rotary
3455-00-309-3005 INTERCHANGEABLE
File,rotary
Cross-Reference Index
Part NumberManufacturer
78666 Kennametal Inc. (USA)
SG-43 Sgs Tool Co (USA)
SG-43 Dixie Tool Industries Co Div Lear Siegler Inc (USA)
JK-6 Jarvis Corp (USA)
32.883 Grobet File Company of America, Inc. Dba William Dixon (USA)
JK-6 Jarvis Cutting Tools Inc (USA)
155639 Jarvis Corp (USA)
A-A-51162 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
SG-43 Carbide Tools for Industry, Inc. (USA)
52687 Cooper Industries Inc Nicholson File/cooper Tools Div (USA)
SG-43 General Dynamics Advanced Information Systems Inc. Dba General Dynamics Advanced Information Systems (USA)
SG-43 Beaver Cut Rotary File Co (USA)
106-08082-SC Carbide Tools for Industry, Inc. (USA)
SG-43 Fullerton Tool Company, Inc. (USA)
SG-43 Grobet File Company of America, Inc. Dba William Dixon (USA)
SG-43 Garr Tool Co (USA)
4T-127 Cooper Industries Inc Nicholson File/cooper Tools Div (USA)
AA51162A-2A2B Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
155639 Jarvis Cutting Tools Inc (USA)
9TK3EW Grobet File Company of America, Inc. Dba William Dixon (USA)
Related Parts
3455-00-023-4279INTERCHANGEABLE
FILE,ROTARY
5940-00-107-0883INTERCHANGEABLE
TERMINAL,LUG
32883
5962-00-135-9471INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5360-00-145-8563INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
3830-00-161-9996INTERCHANGEABLE
SHAFT
32883
5331-00-263-8030INTERCHANGEABLE
O-RING
MS29512-06
3455-00-266-9448INTERCHANGEABLE
FILE,ROTARY
3455-00-266-9449INTERCHANGEABLE
FILE,ROTARY
3455-00-266-9450INTERCHANGEABLE
FILE,ROTARY
3455-00-309-3005INTERCHANGEABLE
FILE,ROTARY
5365-00-343-7469INTERCHANGEABLE
BUSHING,BOTTOM HALF
CV36S2200-336583H60WHM50001
3040-00-392-7830INTERCHANGEABLE
DETENT PLATE
SM-B-148457

Frequently Asked Questions

What is NSN 3455-00-021-2415?

NSN 3455-00-021-2415 is a File,rotary, manufactured by Kennametal Inc., classified under FSC 3455 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3455-00-021-2415?

NSN 3455-00-021-2415 has 21 cross-referenced part numbers: 78666 (Kennametal Inc.), SG-43 (Sgs Tool Co), SG-43 (Dixie Tool Industries Co Div Lear Siegler Inc), JK-6 (Jarvis Corp), 32.883 (Grobet File Company of America, Inc. Dba William Dixon) and 16 more.

What NSN replaces 3455-00-021-2415?

There are 12 known substitutes for 3455-00-021-2415: 3455-00-023-4279, 5940-00-107-0883, 5962-00-135-9471 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 78666?

Key specifications for 78666: Cutter Tooth Style Designator: C13; Cutter Tooth Shaping Method: GROUND FROM SOLID; Removability Feature: NOT INCLUDED; Material: TUNGSTEN CARBIDE. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3455-00-021-2415 still in active supply?

NSN 3455-00-021-2415 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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