PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

66010Gear,spur

L3harris Technologies, Inc Div Space & Airborne Systems · NSN 3020-00-574-5779 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-574-5779 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-574-5779. Primary manufacturer part number: 66010.
Features
  • Gear,spur — FSC 3020
  • Precision Classification: QUALITY NUMBER 9
  • Nominal Distance Between Body Face and Protruding Hub End: 0.125 INCHES FIRST END IN
  • Pitch Diameter: 5.5000 INCHES NOMINAL IN
  • Tooth Form: STANDARD
  • Attachment Method: MOUNTING HOLE
  • Nominal Overall Length: 0.312 INCHES IN
  • Pressure Angle: 20.0000 DEGREES
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 4130 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-574-5779, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 17 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-574-5779
Primary Part Number66010
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerL3harris Technologies, Inc Div Space & Airborne Systems
StatusACTIVE
Precision ClassificationQUALITY NUMBER 9
Nominal Distance Between Body Face and Protruding Hub End0.125 INCHES FIRST END IN
Pitch Diameter5.5000 INCHES NOMINAL IN
Tooth FormSTANDARD
Attachment MethodMOUNTING HOLE
Nominal Overall Length0.312 INCHES IN
Pressure Angle20.0000 DEGREES
Backlash DesignationGRADE B
Body StylePLAIN, SOLID
Face Nominal Width0.187 INCHES IN
Hub Nominal Diameter5.000 INCHES FIRST END IN
Material Document and ClassificationMIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Style DesignatorPROTRUDING HUB
Mounting Hole Nominal Diameter0.169 INCHES AXIALLY THROUGH BODY FIRST END IN
MaterialSTEEL COMP 4130 OVERALL
Bolt Hole Circle Nominal Diameter4.687 INCHES AXIALLY THROUGH BODY FIRST END IN
Teeth Quantity264
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
7810-00-853-44917810-00-853-4491 INTERCHANGEABLE
Sinker,fishing Line,lead
General Services Administration Federal Supply Service
5995-01-016-6088600347 INTERCHANGEABLE
Cable Assembly,power,electrical
Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense
3455-01-047-180351-10714 INTERCHANGEABLE
Cutter,milling,end
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
4930-01-120-744466010 INTERCHANGEABLE
Ball,equalizer
Mcneil Ohio Corp
2520-01-188-21526-6010 INTERCHANGEABLE
Yoke,universal Joint,vehicular
Rockford Powertrain Inc Div Powertrain Rockford, Inc.
5950-01-381-3959MH250PP INTERCHANGEABLE
Transformer,power
Hammond Mfg Co Ltd
5998-01-572-2402142389 INTERCHANGEABLE
Circuit Card Assembly
Viavi Solutionsllc
7025-01-604-610166010 INTERCHANGEABLE
Interface Unit,automatic Data Pr
Extreme Networks, Inc
4730-01-716-714566010 INTERCHANGEABLE
Clamp,hose
Norma Pennsylvania Inc. Div Breeze Industrial Products
Cross-Reference Index
Part NumberManufacturer
66010 PRIMARY L3harris Technologies, Inc Div Space & Airborne Systems (USA)
66010REVC L3harris Technologies, Inc Div Space & Airborne Systems (USA)
Related Parts
7810-00-853-4491INTERCHANGEABLE
SINKER,FISHING LINE,LEAD
7810-00-853-4491
5995-01-016-6088INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
600347
3455-01-047-1803INTERCHANGEABLE
CUTTER,MILLING,END
51-10714
4930-01-120-7444INTERCHANGEABLE
BALL,EQUALIZER
66010
2520-01-188-2152INTERCHANGEABLE
YOKE,UNIVERSAL JOINT,VEHICULAR
6-6010
5950-01-381-3959INTERCHANGEABLE
TRANSFORMER,POWER
MH250PP
5998-01-572-2402INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
142389
7025-01-604-6101INTERCHANGEABLE
INTERFACE UNIT,AUTOMATIC DATA PR
66010
4730-01-716-7145INTERCHANGEABLE
CLAMP,HOSE
66010

Frequently Asked Questions

What is NSN 3020-00-574-5779?

NSN 3020-00-574-5779 is a Gear,spur, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-574-5779?

NSN 3020-00-574-5779 has 2 cross-referenced part numbers: 66010 (L3harris Technologies, Inc Div Space & Airborne Systems), 66010REVC (L3harris Technologies, Inc Div Space & Airborne Systems).

What NSN replaces 3020-00-574-5779?

There are 9 known substitutes for 3020-00-574-5779: 7810-00-853-4491, 5995-01-016-6088, 3455-01-047-1803 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 66010?

Key specifications for 66010: Precision Classification: QUALITY NUMBER 9; Nominal Distance Between Body Face and Protruding Hub End: 0.125 INCHES FIRST END IN; Pitch Diameter: 5.5000 INCHES NOMINAL IN; Tooth Form: STANDARD. 17 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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