PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7100021Gear,spur

Fairfield Manufacturing Company, Inc. Dba Dana Fairfield · NSN 3020-01-198-4391 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-198-4391 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-198-4391. Primary manufacturer part number: 7100021.
Features
  • Gear,spur — FSC 3020
  • Material: STEEL OVERALL
  • 1 verified cross-reference
  • Primary manufacturer: Fairfield Manufacturing Company, Inc. Dba Dana Fairfield
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 3020-01-198-4391, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Fairfield Manufacturing Company, Inc. Dba Dana Fairfield. Government technical data includes 1 verified specification, 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-198-4391
Primary Part Number7100021
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerFairfield Manufacturing Company, Inc. Dba Dana Fairfield
StatusACTIVE
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5930-01-397-62857100101 INTERCHANGEABLE
Switch,push
Univex Corporation Div Univex Corportation
5998-01-649-8207 INTERCHANGEABLE
Electronic Components Assembly
Cross-Reference Index
Part NumberManufacturer
7100021 Fairfield Manufacturing Company, Inc. Dba Dana Fairfield (USA)
Related Parts
5930-01-397-6285INTERCHANGEABLE
SWITCH,PUSH
7100101
5998-01-649-8207INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY

Frequently Asked Questions

What is NSN 3020-01-198-4391?

NSN 3020-01-198-4391 is a Gear,spur, manufactured by Fairfield Manufacturing Company, Inc. Dba Dana Fairfield, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-198-4391?

NSN 3020-01-198-4391 has 1 cross-referenced part number: 7100021 (Fairfield Manufacturing Company, Inc. Dba Dana Fairfield).

What NSN replaces 3020-01-198-4391?

There are 2 known substitutes for 3020-01-198-4391: 5930-01-397-6285, 5998-01-649-8207. Verify interchangeability with system specifications before substitution.

What are the specifications of 7100021?

Key specifications for 7100021: Material: STEEL OVERALL. 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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