PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

171B831Gear,face

General Electric Company · NSN 3020-00-330-0487 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-330-0487 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-330-0487. Primary manufacturer part number: 171B831.
Features
  • Gear,face — FSC 3020
  • General Characteristics Item Description: CRES,AISI 416,HARD ROLLED; PASSIVATE; DIAMOND KNURLED; SPLINE TOOTH CUTTING,120 TEETH,2.500 IN. PITCH DIA,20 DEG PRESSURE ANGLE; 2.625 IN. OD IN
  • 2 verified cross-references
  • Primary manufacturer: General Electric Company
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear,face, cataloged under National Stock Number 3020-00-330-0487, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is General Electric Company. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-330-0487
Primary Part Number171B831
Item NameGear,face
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerGeneral Electric Company
StatusACTIVE
General Characteristics Item DescriptionCRES,AISI 416,HARD ROLLED; PASSIVATE; DIAMOND KNURLED; SPLINE TOOTH CUTTING,120 TEETH,2.500 IN. PITCH DIA,20 DEG PRESSURE ANGLE; 2.625 IN. OD IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-00-050-3345 INTERCHANGEABLE
Nut,self-Locking,hexagon
Cross-Reference Index
Part NumberManufacturer
171B831 PRIMARY General Electric Company (USA)
520806 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
5310-00-050-3345INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON

Frequently Asked Questions

What is NSN 3020-00-330-0487?

NSN 3020-00-330-0487 is a Gear,face, manufactured by General Electric Company, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-330-0487?

NSN 3020-00-330-0487 has 2 cross-referenced part numbers: 171B831 (General Electric Company), 520806 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 3020-00-330-0487?

There is 1 known substitute for 3020-00-330-0487: 5310-00-050-3345. Verify interchangeability with system specifications before substitution.

What are the specifications of 171B831?

Key specifications for 171B831: General Characteristics Item Description: CRES,AISI 416,HARD ROLLED; PASSIVATE; DIAMOND KNURLED; SPLINE TOOTH CUTTING,120 TEETH,2.500 IN. PITCH DIA,20 DEG PRESSURE ANGLE; 2.625 IN. OD IN. 1 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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