PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GGG-R-180Reamer,machine

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 3455-00-249-1779 · FSC 3455 · No Item Name Available
Verified by PartsTable
NSN 3455-00-249-1779 — this item is cataloged by the U.S. Government under National Stock Number 3455-00-249-1779. Primary manufacturer part number: GGG-R-180.
Features
  • Reamer,machine — FSC 3455
  • Flute Cut Direction: RIGHT-HAND
  • Flute Quantity: 8
  • Diameter: 0.938 INCHES NOMINAL IN
  • Material: STEEL LOCATION NOT OTHERWISE SPECIFIED
  • Nondefinitive Spec/std Data: 2 CLASS AND A GRADE AND A STYLE AND X TYPE
  • Material: STEEL CUTTING EDGE TIP
  • Flute Type: INTEGRAL
Applications
  • Applications requiring Steel Location Not Otherwise Specified construction
General Description

The Reamer,machine, cataloged under National Stock Number 3455-00-249-1779, is classified within Federal Supply Class 3455 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 8 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
NSN3455-00-249-1779
Primary Part NumberGGG-R-180
Item NameReamer,machine
FSC / FSG3455 / 34 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusCANCELLED
Flute Cut DirectionRIGHT-HAND
Flute Quantity8
Diameter0.938 INCHES NOMINAL IN
MaterialSTEEL LOCATION NOT OTHERWISE SPECIFIED
Nondefinitive Spec/std Data2 CLASS AND A GRADE AND A STYLE AND X TYPE
MaterialSTEEL CUTTING EDGE TIP
Flute TypeINTEGRAL
Reamer TypeFLUTED CHUCKING
Shank TypeSTRAIGHT
Flute Length2.625 INCHES NOMINAL IN
Flute DesignSTRAIGHT
GuideNOT INCLUDED
Shank Diameter0.7480 INCHES MINIMUM AND 0.7495 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3455-00-204-167919597 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
3455-00-204-168119575 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
3455-00-236-237719647 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
3455-00-249-178219654 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
3455-00-249-179219659 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
3455-00-265-711319655 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
5330-00-291-31292700-7 INTERCHANGEABLE
Gasket
Meggitt North Hollywood Inc
3455-00-516-406019645 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
3455-00-516-5057 INTERCHANGEABLE
Reamer,machine
3455-00-531-132719636 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
Cross-Reference Index
Part NumberManufacturer
GGG-R-180 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
630 Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
B94.2-1971 TABLE 13 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
4004-9380 Kennametal Inc. Div Kennametal Industrial Products Group (USA)
27007 Kennametal Inc. Div Kennametal Industrial Products Group (USA)
ANSI-B94.2 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
ASME B94.2 The American Society of Mechanical Engineers (USA)
712-002260 Doall Baltimore Company (USA)
4001/630-0-9380DIA Kennametal Inc. Div Kennametal Industrial Products Group (USA)
27007 Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
4001/630-0-9380DIA Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
4004-9380 Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
5011-HS 15/16 New York Twist Drill Inc (USA)
Related Parts
3455-00-204-1679INTERCHANGEABLE
REAMER,MACHINE
19597
3455-00-204-1681INTERCHANGEABLE
REAMER,MACHINE
19575
3455-00-236-2377INTERCHANGEABLE
REAMER,MACHINE
19647
3455-00-249-1782INTERCHANGEABLE
REAMER,MACHINE
19654
3455-00-249-1792INTERCHANGEABLE
REAMER,MACHINE
19659
3455-00-265-7113INTERCHANGEABLE
REAMER,MACHINE
19655
5330-00-291-3129INTERCHANGEABLE
GASKET
2700-7
3455-00-516-4060INTERCHANGEABLE
REAMER,MACHINE
19645
3455-00-516-5057INTERCHANGEABLE
REAMER,MACHINE
3455-00-531-1327INTERCHANGEABLE
REAMER,MACHINE
19636
3455-00-596-5100INTERCHANGEABLE
REAMER,MACHINE
50-10623
3455-00-596-5159INTERCHANGEABLE
REAMER,MACHINE
19646

Frequently Asked Questions

What is NSN 3455-00-249-1779?

NSN 3455-00-249-1779 is a Reamer,machine, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 3455 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3455-00-249-1779?

NSN 3455-00-249-1779 has 13 cross-referenced part numbers: GGG-R-180 (Federal Specifications Promulgated by General Services Administration Washington DC), 630 (Cleveland Twist Drill Co Div of Greenfield Industries Inc), B94.2-1971 TABLE 13 (American National Standards Institute Incorporated Dba American National Standards Institute), 4004-9380 (Kennametal Inc. Div Kennametal Industrial Products Group), 27007 (Kennametal Inc. Div Kennametal Industrial Products Group) and 8 more.

What NSN replaces 3455-00-249-1779?

There are 12 known substitutes for 3455-00-249-1779: 3455-00-204-1679, 3455-00-204-1681, 3455-00-236-2377 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of GGG-R-180?

Key specifications for GGG-R-180: Flute Cut Direction: RIGHT-HAND; Flute Quantity: 8; Diameter: 0.938 INCHES NOMINAL IN; Material: STEEL LOCATION NOT OTHERWISE SPECIFIED. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3455-00-249-1779 still in active supply?

NSN 3455-00-249-1779 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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