PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

26679Reamer,machine

Kennametal Inc. Div Kennametal Industrial Products Group · NSN 3455-00-249-1784 · FSC 3455 · No Item Name Available
Verified by PartsTable
NSN 3455-00-249-1784 — this item is cataloged by the U.S. Government under National Stock Number 3455-00-249-1784. Primary manufacturer part number: 26679.
Features
  • Reamer,machine — FSC 3455
  • Guide: NOT INCLUDED
  • Material: STEEL LOCATION NOT OTHERWISE SPECIFIED
  • Nondefinitive Spec/std Data: 10 TYPE AND A GRADE AND 2 CLASS AND A STYLE
  • Reamer Type: FLUTED CHUCKING
  • Overall Diameter: 0.781 INCHES NOMINAL IN
  • Flute Design: STRAIGHT
  • Flute Type: INTEGRAL
Applications
  • Applications requiring Steel Location Not Otherwise Specified construction
General Description

The Reamer,machine, cataloged under National Stock Number 3455-00-249-1784, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3455-00-249-1784
Primary Part Number26679
Item NameReamer,machine
FSC / FSG3455 / 34 — No Item Name Available
ManufacturerKennametal Inc. Div Kennametal Industrial Products Group
StatusCANCELLED
GuideNOT INCLUDED
MaterialSTEEL LOCATION NOT OTHERWISE SPECIFIED
Nondefinitive Spec/std Data10 TYPE AND A GRADE AND 2 CLASS AND A STYLE
Reamer TypeFLUTED CHUCKING
Overall Diameter0.781 INCHES NOMINAL IN
Flute DesignSTRAIGHT
Flute TypeINTEGRAL
Flute Quantity8
Shank Diameter0.6250 INCHES NOMINAL IN
Flute Length2.5000 INCHES NOMINAL IN
Flute Cut DirectionRIGHT-HAND
Shank TypeSTRAIGHT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5120-00-224-3148 INTERCHANGEABLE
Wrench,box
6105-00-635-093726679-1 INTERCHANGEABLE
Stator,motor
Honeywell International Inc. Div Aerospace - Torrance
2915-00-890-985826679 INTERCHANGEABLE
Disk,valve
Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
4810-01-270-3344CS-03-C-50 INTERCHANGEABLE
Valve,control
Eaton Aerospace, Llc Dba Jackson South
3040-01-291-4612 INTERCHANGEABLE
Rod,piston,linear Actuating Cyli
6515-01-599-715211-0181-4-13066 INTERCHANGEABLE
Brace,cast,elbow
Djo Llc
Cross-Reference Index
Part NumberManufacturer
4100-0.7810 Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
ANSI-B94.2 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
630 Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
26679 Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
26679 PRIMARY Kennametal Inc. Div Kennametal Industrial Products Group (USA)
GGGR180 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
GGG-R-180 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
4100-0.7810 Kennametal Inc. Div Kennametal Industrial Products Group (USA)
630 Kennametal Inc. Div Kennametal Industrial Products Group (USA)
ASME B94.2 The American Society of Mechanical Engineers (USA)
630-0.7810 Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
Related Parts
5120-00-224-3148INTERCHANGEABLE
WRENCH,BOX
6105-00-635-0937INTERCHANGEABLE
STATOR,MOTOR
26679-1
2915-00-890-9858INTERCHANGEABLE
DISK,VALVE
26679
4810-01-270-3344INTERCHANGEABLE
VALVE,CONTROL
CS-03-C-50
3040-01-291-4612INTERCHANGEABLE
ROD,PISTON,LINEAR ACTUATING CYLI
6515-01-599-7152INTERCHANGEABLE
BRACE,CAST,ELBOW
11-0181-4-13066

Frequently Asked Questions

What is NSN 3455-00-249-1784?

NSN 3455-00-249-1784 is a Reamer,machine, manufactured by Kennametal Inc. Div Kennametal Industrial Products Group, classified under FSC 3455 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3455-00-249-1784?

NSN 3455-00-249-1784 has 11 cross-referenced part numbers: 4100-0.7810 (Cleveland Twist Drill Co Div of Greenfield Industries Inc), ANSI-B94.2 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), 630 (Cleveland Twist Drill Co Div of Greenfield Industries Inc), 26679 (Cleveland Twist Drill Co Div of Greenfield Industries Inc), 26679 (Kennametal Inc. Div Kennametal Industrial Products Group) and 6 more.

What NSN replaces 3455-00-249-1784?

There are 6 known substitutes for 3455-00-249-1784: 5120-00-224-3148, 6105-00-635-0937, 2915-00-890-9858 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 26679?

Key specifications for 26679: Guide: NOT INCLUDED; Material: STEEL LOCATION NOT OTHERWISE SPECIFIED; Nondefinitive Spec/std Data: 10 TYPE AND A GRADE AND 2 CLASS AND A STYLE; Reamer Type: FLUTED CHUCKING. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3455-00-249-1784 still in active supply?

NSN 3455-00-249-1784 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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