PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CA489Gear,spur

Markey Machine Llc Div Markey Machine · NSN 3020-00-517-2109 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-517-2109 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-517-2109. Primary manufacturer part number: CA489.
Features
  • Gear,spur — FSC 3020
  • Pitch Diameter: 31.7500 INCHES NOMINAL IN
  • Teeth Quantity: 127
  • Tooth Form: STANDARD
  • Keyway Nominal Width: 1.000 INCHES BOTH ENDS IN
  • Precision Classification: QUALITY NUMBER 12
  • Hub Style Designator: PLAIN BOTH ENDS
  • Face Nominal Width: 3.000 INCHES IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-517-2109, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Markey Machine Llc Div Markey Machine. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN3020-00-517-2109
Primary Part NumberCA489
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerMarkey Machine Llc Div Markey Machine
StatusACTIVE
Pitch Diameter31.7500 INCHES NOMINAL IN
Teeth Quantity127
Tooth FormSTANDARD
Keyway Nominal Width1.000 INCHES BOTH ENDS IN
Precision ClassificationQUALITY NUMBER 12
Hub Style DesignatorPLAIN BOTH ENDS
Face Nominal Width3.000 INCHES IN
Style DesignatorONE PROTRUDING HUB, ONE RECESSED HUB
MaterialSTEEL OVERALL
Pressure Angle14.5000 DEGREES
Nominal Overall Length4.156 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5910-00-801-3483 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Cross-Reference Index
Part NumberManufacturer
CA625PC31 Markey Machine Llc Div Markey Machine (USA)
CA489 PRIMARY Markey Machine Llc Div Markey Machine (USA)
Related Parts
5910-00-801-3483INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC

Frequently Asked Questions

What is NSN 3020-00-517-2109?

NSN 3020-00-517-2109 is a Gear,spur, manufactured by Markey Machine Llc Div Markey Machine, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-517-2109?

NSN 3020-00-517-2109 has 2 cross-referenced part numbers: CA625PC31 (Markey Machine Llc Div Markey Machine), CA489 (Markey Machine Llc Div Markey Machine).

What NSN replaces 3020-00-517-2109?

There is 1 known substitute for 3020-00-517-2109: 5910-00-801-3483. Verify interchangeability with system specifications before substitution.

What are the specifications of CA489?

Key specifications for CA489: Pitch Diameter: 31.7500 INCHES NOMINAL IN; Teeth Quantity: 127; Tooth Form: STANDARD; Keyway Nominal Width: 1.000 INCHES BOTH ENDS IN. 11 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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