PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GGGR180TYPE3CLASS4GRADEAReamer,machine

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 3455-00-975-4780 · FSC 3455 · No Item Name Available
Verified by PartsTable
NSN 3455-00-975-4780 — this item is cataloged by the U.S. Government under National Stock Number 3455-00-975-4780. Primary manufacturer part number: GGGR180TYPE3CLASS4GRADEA.
Features
  • Reamer,machine — FSC 3455
  • Shank Diameter: 0.750 INCHES NOMINAL IN
  • Size Range: +0.875 TO 0.908 INCHES IN
  • Material: STEEL LOCATION NOT OTHERWISE SPECIFIED
  • Flute Length: 1.375 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
  • Flute Quantity: 6
  • Flute Type: INSERTED
  • Guide: NOT INCLUDED
Applications
  • Applications requiring Steel Location Not Otherwise Specified construction
General Description

The Reamer,machine, cataloged under National Stock Number 3455-00-975-4780, 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 15 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3455-00-975-4780
Primary Part NumberGGGR180TYPE3CLASS4GRADEA
Item NameReamer,machine
FSC / FSG3455 / 34 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Shank Diameter0.750 INCHES NOMINAL IN
Size Range+0.875 TO 0.908 INCHES IN
MaterialSTEEL LOCATION NOT OTHERWISE SPECIFIED
Flute Length1.375 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
Flute Quantity6
Flute TypeINSERTED
GuideNOT INCLUDED
Size Changeability TypeADJUSTABLE
Shank TypeSTRAIGHT
Flute DesignSPIRAL
Reamer TypeFLUTED CHUCKING
Overall Diameter0.875 INCHES NOMINAL IN
Flute Cut DirectionRIGHT-HAND
Nondefinitive Spec/std Data3 TYPE AND A GRADE AND 5 CLASS
Helix DirectionLEFT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3455-00-975-4782 INTERCHANGEABLE
Reamer,machine
3455-00-975-4786 INTERCHANGEABLE
Reamer,machine
3455-00-975-4807 INTERCHANGEABLE
Reamer,machine
3455-00-975-4808 INTERCHANGEABLE
Reamer,machine
Cross-Reference Index
Part NumberManufacturer
GGGR180TYPE3CLASS4GRADEA Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
3455-00-975-4782INTERCHANGEABLE
REAMER,MACHINE
3455-00-975-4786INTERCHANGEABLE
REAMER,MACHINE
3455-00-975-4807INTERCHANGEABLE
REAMER,MACHINE
3455-00-975-4808INTERCHANGEABLE
REAMER,MACHINE

Frequently Asked Questions

What is NSN 3455-00-975-4780?

NSN 3455-00-975-4780 is a Reamer,machine, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 3455 (No Item Name Available). Status: active.

What are the part numbers for NSN 3455-00-975-4780?

NSN 3455-00-975-4780 has 1 cross-referenced part number: GGGR180TYPE3CLASS4GRADEA (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 3455-00-975-4780?

There are 4 known substitutes for 3455-00-975-4780: 3455-00-975-4782, 3455-00-975-4786, 3455-00-975-4807 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of GGGR180TYPE3CLASS4GRADEA?

Key specifications for GGGR180TYPE3CLASS4GRADEA: Shank Diameter: 0.750 INCHES NOMINAL IN; Size Range: +0.875 TO 0.908 INCHES IN; Material: STEEL LOCATION NOT OTHERWISE SPECIFIED; Flute Length: 1.375 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN. 16 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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