PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

523779Gear,spur

Cae Usa Inc. · NSN 3020-00-132-1193 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-132-1193 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-132-1193. Primary manufacturer part number: 523779.
Features
  • Gear,spur — FSC 3020
  • Tooth Form: STANDARD
  • Second Step Nominal Length: 0.135 INCHES FIRST END IN
  • Body Style: PLAIN, SOLID
  • Nominal Outside Diameter: 3.788 INCHES IN
  • Surface Treatment: CHROMATE OVERALL
  • Hub Style Designator: 2 STEPS FIRST END
  • Nominal Distance Between Body Face and Protruding Hub End: 0.525 INCHES FIRST END IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Aluminum Alloy 2024 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-132-1193, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Cae Usa Inc.. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, 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
NSN3020-00-132-1193
Primary Part Number523779
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerCae Usa Inc.
StatusACTIVE
Tooth FormSTANDARD
Second Step Nominal Length0.135 INCHES FIRST END IN
Body StylePLAIN, SOLID
Nominal Outside Diameter3.788 INCHES IN
Surface TreatmentCHROMATE OVERALL
Hub Style Designator2 STEPS FIRST END
Nominal Distance Between Body Face and Protruding Hub End0.525 INCHES FIRST END IN
First Step Nominal Diameter0.625 INCHES FIRST END IN
Precision ClassificationQUALITY NUMBER 10 OR QUALITY NUMBER 11
Material Document and ClassificationQQ-A-200/3,ALLOY 2024,T42 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialALUMINUM ALLOY 2024 OVERALL
Bore StylePLAIN BOTH ENDS
End Nominal Diameter0.374 INCHES FIRST END IN
Face Nominal Width0.125 INCHES IN
Backlash DesignationGRADE B
Bore Nominal Diameter0.251 INCHES BOTH ENDS IN
Second Step Nominal Diameter1.000 INCHES FIRST END IN
Pressure Angle20.0000 DEGREES
Style DesignatorPROTRUDING HUB
First Step Nominal Length0.134 INCHES FIRST END IN
Attachment MethodCLAMP
Pitch Diameter3.7500 INCHES NOMINAL IN
End Nominal Length0.250 INCHES FIRST END IN
Teeth Quantity180
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
2815-00-377-100243219 INTERCHANGEABLE
Ring,half,thrust,cr
Cummins Inc.
Cross-Reference Index
Part NumberManufacturer
523779 PRIMARY Cae Usa Inc. (USA)
523779 Raytheon Technical Services Company (USA)
Related Parts
2815-00-377-1002INTERCHANGEABLE
RING,HALF,THRUST,CR
43219

Frequently Asked Questions

What is NSN 3020-00-132-1193?

NSN 3020-00-132-1193 is a Gear,spur, manufactured by Cae Usa Inc., classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-132-1193?

NSN 3020-00-132-1193 has 2 cross-referenced part numbers: 523779 (Cae Usa Inc.), 523779 (Raytheon Technical Services Company).

What NSN replaces 3020-00-132-1193?

There is 1 known substitute for 3020-00-132-1193: 2815-00-377-1002. Verify interchangeability with system specifications before substitution.

What are the specifications of 523779?

Key specifications for 523779: Tooth Form: STANDARD; Second Step Nominal Length: 0.135 INCHES FIRST END IN; Body Style: PLAIN, SOLID; Nominal Outside Diameter: 3.788 INCHES IN. 24 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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