PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

185666-1Gear,spur

Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division · NSN 3020-01-665-5866 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-665-5866 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-665-5866. Primary manufacturer part number: 185666-1.
Features
  • Gear,spur — FSC 3020
  • 1 verified cross-reference
  • Primary manufacturer: Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear,spur, cataloged under National Stock Number 3020-01-665-5866, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division. This item has 1 commercial cross-reference 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.

Catalog Facts
Item NameGear,spur
FSC / FSG3020 — No Item Name Available (FSG 30)
ManufacturersCurtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division (CAGE 71791)
Technical Specifications
ParameterValue
NSN3020-01-665-5866
Primary Part Number185666-1
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerCurtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5935-01-008-4735185666-1 INTERCHANGEABLE
Adapter,connector
Raytheon Company
Cross-Reference Index
Part NumberManufacturer
185666-1 PRIMARY Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division (USA)
Related Parts
5935-01-008-4735INTERCHANGEABLE
ADAPTER,CONNECTOR
185666-1

Frequently Asked Questions

What is NSN 3020-01-665-5866?

NSN 3020-01-665-5866 is a Gear,spur, manufactured by Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-665-5866?

NSN 3020-01-665-5866 has 1 cross-referenced part number: 185666-1 (Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division).

What NSN replaces 3020-01-665-5866?

There is 1 known substitute for 3020-01-665-5866: 5935-01-008-4735. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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