PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

44578Cutter Bit,tool Holder

Kennametal Inc. Div Kennametal Industrial Products Group · NSN 3455-01-045-7943 · FSC 3455 · No Item Name Available
Verified by PartsTable
NSN 3455-01-045-7943 — this item is cataloged by the U.S. Government under National Stock Number 3455-01-045-7943. Primary manufacturer part number: 44578.
Features
  • Cutter Bit,tool Holder — FSC 3455
  • Edge Type: SQUARE NOSE
  • Material: COBALT
  • Shape: RECTANGULAR
  • Unable to Decode: UNABLE TO DECODE
  • Cutting Edge Finish: GROUND TO SHAPE
  • Material Location: OVERALL
  • Overall Thickness: 0.375 INCHES NOMINAL IN
Applications
  • Applications requiring Cobalt construction
General Description

The Cutter Bit,tool Holder, cataloged under National Stock Number 3455-01-045-7943, 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. Div Kennametal Industrial Products Group. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3455-01-045-7943
Primary Part Number44578
Item NameCutter Bit,tool Holder
FSC / FSG3455 / 34 — No Item Name Available
ManufacturerKennametal Inc. Div Kennametal Industrial Products Group
StatusACTIVE
Edge TypeSQUARE NOSE
MaterialCOBALT
ShapeRECTANGULAR
Unable to DecodeUNABLE TO DECODE
Cutting Edge FinishGROUND TO SHAPE
Material LocationOVERALL
Overall Thickness0.375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5845-00-789-8063115922-12 INTERCHANGEABLE
Voltage Comparator
L3harris Technologies, Inc.
6220-01-201-748514-012A INTERCHANGEABLE
Light,warning
Federal Signal Corporation
5935-01-381-166644578 INTERCHANGEABLE
Connector,receptacle,electrical
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Cross-Reference Index
Part NumberManufacturer
44578 Kennametal Inc. Div Kennametal Industrial Products Group (USA)
A-A51130 TY 1ST 1 GR B CL M-33 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
860 3506-0375 Kennametal Inc. Div Kennametal Industrial Products Group (USA)
860 3506-0375 Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
860-3/8 Kennametal Inc. Div Kennametal Industrial Products Group (USA)
A-A-51130 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
44578 Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
3506-0375 Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
860-3/8 Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
3506-0375 Kennametal Inc. Div Kennametal Industrial Products Group (USA)
AA51130-1A305 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
Related Parts
5845-00-789-8063INTERCHANGEABLE
VOLTAGE COMPARATOR
115922-12
6220-01-201-7485INTERCHANGEABLE
LIGHT,WARNING
14-012A
5935-01-381-1666INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
44578

Frequently Asked Questions

What is NSN 3455-01-045-7943?

NSN 3455-01-045-7943 is a Cutter Bit,tool Holder, manufactured by Kennametal Inc. Div Kennametal Industrial Products Group, classified under FSC 3455 (No Item Name Available). Status: active.

What are the part numbers for NSN 3455-01-045-7943?

NSN 3455-01-045-7943 has 11 cross-referenced part numbers: 44578 (Kennametal Inc. Div Kennametal Industrial Products Group), A-A51130 TY 1ST 1 GR B CL M-33 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), 860 3506-0375 (Kennametal Inc. Div Kennametal Industrial Products Group), 860 3506-0375 (Cleveland Twist Drill Co Div of Greenfield Industries Inc), 860-3/8 (Kennametal Inc. Div Kennametal Industrial Products Group) and 6 more.

What NSN replaces 3455-01-045-7943?

There are 3 known substitutes for 3455-01-045-7943: 5845-00-789-8063, 6220-01-201-7485, 5935-01-381-1666. Verify interchangeability with system specifications before substitution.

What are the specifications of 44578?

Key specifications for 44578: Edge Type: SQUARE NOSE; Material: COBALT; Overall Width: 0.375 INCHES NOMINAL IN; Shape: RECTANGULAR. 9 total characteristics are documented in the Federal Logistics Information System.

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