PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

66090Cutter,milling,woodruff Keyseat

Keo Cutters Div of Masco Corp · NSN 3455-01-647-0265 · FSC 3455 · No Item Name Available
Verified by PartsTable
NSN 3455-01-647-0265 — this item is cataloged by the U.S. Government under National Stock Number 3455-01-647-0265. Primary manufacturer part number: 66090.
Features
  • Cutter,milling,woodruff Keyseat — FSC 3455
  • Drive Type: SHANK
  • Cutter Designation: AS609
  • Material: STEEL
  • Face Width: 0.187 INCHES NOMINAL IN
  • Cutting Rotation Direction: LEFT-HAND OR RIGHT-HAND
  • Diameter: 1.125 INCHES NOMINAL IN
  • 1 verified cross-reference
Applications
  • Applications requiring Steel construction
General Description

The Cutter,milling,woodruff Keyseat, cataloged under National Stock Number 3455-01-647-0265, is classified within Federal Supply Class 3455 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Keo Cutters Div of Masco Corp. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3455-01-647-0265
Primary Part Number66090
Item NameCutter,milling,woodruff Keyseat
FSC / FSG3455 / 34 — No Item Name Available
ManufacturerKeo Cutters Div of Masco Corp
StatusACTIVE
Drive TypeSHANK
Cutter DesignationAS609
MaterialSTEEL
Face Width0.187 INCHES NOMINAL IN
Cutting Rotation DirectionLEFT-HAND OR RIGHT-HAND
Diameter1.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
9540-00-402-0410 INTERCHANGEABLE
Beam,structural
9540-00-529-9342 INTERCHANGEABLE
Beam,structural
2835-00-596-6476710312 INTERCHANGEABLE
Lead Assembly
Unison Industries Llc
5950-00-934-280766090 INTERCHANGEABLE
Transformer,power
Power Paragon Inc Dba Air Borne Power Div Airborne Power
5325-01-238-282766090 INTERCHANGEABLE
Ring,retaining
Dressta North America Ltd
5120-01-399-5612 INTERCHANGEABLE
Screwdriver,flat Tip
Cross-Reference Index
Part NumberManufacturer
66090 PRIMARY Keo Cutters Div of Masco Corp (USA)
Related Parts
9540-00-402-0410INTERCHANGEABLE
BEAM,STRUCTURAL
9540-00-529-9342INTERCHANGEABLE
BEAM,STRUCTURAL
2835-00-596-6476INTERCHANGEABLE
LEAD ASSEMBLY
710312
5950-00-934-2807INTERCHANGEABLE
TRANSFORMER,POWER
66090
5325-01-238-2827INTERCHANGEABLE
RING,RETAINING
66090
5120-01-399-5612INTERCHANGEABLE
SCREWDRIVER,FLAT TIP

Frequently Asked Questions

What is NSN 3455-01-647-0265?

NSN 3455-01-647-0265 is a Cutter,milling,woodruff Keyseat, manufactured by Keo Cutters Div of Masco Corp, classified under FSC 3455 (No Item Name Available). Status: active.

What are the part numbers for NSN 3455-01-647-0265?

NSN 3455-01-647-0265 has 1 cross-referenced part number: 66090 (Keo Cutters Div of Masco Corp).

What NSN replaces 3455-01-647-0265?

There are 6 known substitutes for 3455-01-647-0265: 9540-00-402-0410, 9540-00-529-9342, 2835-00-596-6476 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 66090?

Key specifications for 66090: Drive Type: SHANK; Cutter Designation: AS609; Material: STEEL; Overall Length: 2.187 INCHES NOMINAL IN. 8 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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