PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12689Gear,spur

Westerbeke Corporation · NSN 3020-01-213-4571 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-213-4571 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-213-4571. Primary manufacturer part number: 12689.
Features
  • Gear,spur — FSC 3020
  • Nominal Outside Diameter: 4.750 INCHES IN
  • Teeth Quantity: 57
  • Material: STEEL OVERALL
  • 2 verified cross-references
  • Primary manufacturer: Westerbeke Corporation
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 3020-01-213-4571, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Westerbeke Corporation. Government technical data includes 3 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-213-4571
Primary Part Number12689
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerWesterbeke Corporation
StatusACTIVE
Nominal Outside Diameter4.750 INCHES IN
Teeth Quantity57
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5905-00-120-0089 INTERCHANGEABLE
Resistor,fixed,composition
5133-00-189-9324 INTERCHANGEABLE
Drill,twist
5133-00-228-1335 INTERCHANGEABLE
Drill,twist
1650-00-300-2685 INTERCHANGEABLE
Filter Element,fluid
5305-00-303-287812689 INTERCHANGEABLE
Screw,fulcrum
Triumph Engine Control Systems Llc
5996-00-830-460020034 INTERCHANGEABLE
Amplifier,audio Frequency
Telephonics Corp
5330-00-885-7549 INTERCHANGEABLE
Gasket,valve
5307-01-061-286412689 INTERCHANGEABLE
Stud
L3 Technologies, Inc. Div L3 Keo
3120-01-121-1780T20034 INTERCHANGEABLE
Bearing,sleeve
Deere & Co
8020-01-140-0952 INTERCHANGEABLE
Roller,paint
Cross-Reference Index
Part NumberManufacturer
12689 PRIMARY Westerbeke Corporation (USA)
20034 Westerbeke Corporation (USA)
Related Parts
5905-00-120-0089INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
5133-00-189-9324INTERCHANGEABLE
DRILL,TWIST
5133-00-228-1335INTERCHANGEABLE
DRILL,TWIST
1650-00-300-2685INTERCHANGEABLE
FILTER ELEMENT,FLUID
5305-00-303-2878INTERCHANGEABLE
SCREW,FULCRUM
12689
5996-00-830-4600INTERCHANGEABLE
AMPLIFIER,AUDIO FREQUENCY
20034
5330-00-885-7549INTERCHANGEABLE
GASKET,VALVE
5307-01-061-2864INTERCHANGEABLE
STUD
12689
3120-01-121-1780INTERCHANGEABLE
BEARING,SLEEVE
T20034
8020-01-140-0952INTERCHANGEABLE
ROLLER,PAINT
5365-01-198-3321INTERCHANGEABLE
SPACER,PLATE
20034
5342-01-319-8615INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
20034

Frequently Asked Questions

What is NSN 3020-01-213-4571?

NSN 3020-01-213-4571 is a Gear,spur, manufactured by Westerbeke Corporation, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-213-4571?

NSN 3020-01-213-4571 has 2 cross-referenced part numbers: 12689 (Westerbeke Corporation), 20034 (Westerbeke Corporation).

What NSN replaces 3020-01-213-4571?

There are 12 known substitutes for 3020-01-213-4571: 5905-00-120-0089, 5133-00-189-9324, 5133-00-228-1335 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12689?

Key specifications for 12689: Nominal Outside Diameter: 4.750 INCHES IN; Teeth Quantity: 57; Material: STEEL OVERALL. 3 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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