PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

487814-1Gear,spur

Quaker City Gear Wks · NSN 3020-00-049-8534 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-049-8534 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-049-8534. Primary manufacturer part number: 487814-1.
Features
  • Gear,spur — FSC 3020
  • Bore Nominal Diameter: 0.125 INCHES BOTH ENDS IN
  • Pitch Diameter: 0.6562 INCHES NOMINAL IN
  • Body Style: PLAIN, SOLID
  • Teeth Quantity: 21
  • Hub Style Designator: PINNED FIRST END
  • Hub Nominal Diameter: 0.500 INCHES FIRST END IN
  • Style Designator: PROTRUDING HUB
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Aluminum Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-049-8534, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Quaker City Gear Wks. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN3020-00-049-8534
Primary Part Number487814-1
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerQuaker City Gear Wks
StatusACTIVE
Bore Nominal Diameter0.125 INCHES BOTH ENDS IN
Pitch Diameter0.6562 INCHES NOMINAL IN
Body StylePLAIN, SOLID
Teeth Quantity21
Hub Style DesignatorPINNED FIRST END
Hub Nominal Diameter0.500 INCHES FIRST END IN
Style DesignatorPROTRUDING HUB
Tooth FormSTANDARD
Bore StylePLAIN BOTH ENDS
Nominal Distance Between Body Face and Protruding Hub End0.344 INCHES FIRST END IN
MaterialALUMINUM OVERALL
Pressure Angle20.0000 DEGREES
Face Nominal Width0.250 INCHES IN
Nominal Outside Diameter0.719 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5940-01-089-25404878-14-1 INTERCHANGEABLE
Terminal,stud
Advanced Interconnections Corporation
Cross-Reference Index
Part NumberManufacturer
487814-1 Quaker City Gear Wks (USA)
487814-1 Kellett Corp (USA)
487814A L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA)
Related Parts
5940-01-089-2540INTERCHANGEABLE
TERMINAL,STUD
4878-14-1

Frequently Asked Questions

What is NSN 3020-00-049-8534?

NSN 3020-00-049-8534 is a Gear,spur, manufactured by Quaker City Gear Wks, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-049-8534?

NSN 3020-00-049-8534 has 3 cross-referenced part numbers: 487814-1 (Quaker City Gear Wks), 487814-1 (Kellett Corp), 487814A (L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.).

What NSN replaces 3020-00-049-8534?

There is 1 known substitute for 3020-00-049-8534: 5940-01-089-2540. Verify interchangeability with system specifications before substitution.

What are the specifications of 487814-1?

Key specifications for 487814-1: Bore Nominal Diameter: 0.125 INCHES BOTH ENDS IN; Pitch Diameter: 0.6562 INCHES NOMINAL IN; Body Style: PLAIN, SOLID; Teeth Quantity: 21. 15 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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