PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

543-2635-002Gear,spur

Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems · NSN 3020-00-794-7471 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-794-7471 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-794-7471. Primary manufacturer part number: 543-2635-002.
Features
  • Gear,spur — FSC 3020
  • Pitch Diameter: 0.6250 INCHES NOMINAL IN
  • Clamping Surface Nominal Length: 0.250 INCHES FIRST END IN
  • Attachment Method: CLAMP
  • Nominal Outside Diameter: 0.718 INCHES IN
  • Hub Nominal Diameter: 0.311 INCHES FIRST END IN
  • Face Nominal Width: 0.093 INCHES IN
  • Surface Treatment: ANODIZE OVERALL
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Aluminum Alloy 2017 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-794-7471, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. Government technical data includes 19 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-794-7471
Primary Part Number543-2635-002
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerRockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
StatusACTIVE
Pitch Diameter0.6250 INCHES NOMINAL IN
Clamping Surface Nominal Length0.250 INCHES FIRST END IN
Attachment MethodCLAMP
Nominal Outside Diameter0.718 INCHES IN
Hub Nominal Diameter0.311 INCHES FIRST END IN
Face Nominal Width0.093 INCHES IN
Surface TreatmentANODIZE OVERALL
Style DesignatorHUBLESS
Teeth Quantity30
Hub Style DesignatorSPLIT FIRST END
Bore Nominal Diameter0.250 INCHES BOTH ENDS IN
Nominal Distance Between Body Face and Protruding Hub End0.093 INCHES FIRST END IN
Material Document and ClassificationQQ-A-225/5,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Pressure Angle20.0000 DEGREES
Bore StylePLAIN BOTH ENDS
MaterialALUMINUM ALLOY 2017 OVERALL
Tooth FormSTANDARD
Nominal Overall Length0.354 INCHES IN
Body StylePLAIN, SOLID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5340-01-112-1925101-121-352 INTERCHANGEABLE
Hanger,pipe
Nelson Stud Welding, Inc. Dba Nelson Stud Welding Inc
5930-01-416-9034 INTERCHANGEABLE
Switch Subassembly
Cross-Reference Index
Part NumberManufacturer
543-2635-002 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
130812 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
Related Parts
5340-01-112-1925INTERCHANGEABLE
HANGER,PIPE
101-121-352
5930-01-416-9034INTERCHANGEABLE
SWITCH SUBASSEMBLY

Frequently Asked Questions

What is NSN 3020-00-794-7471?

NSN 3020-00-794-7471 is a Gear,spur, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-794-7471?

NSN 3020-00-794-7471 has 2 cross-referenced part numbers: 543-2635-002 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 130812 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).

What NSN replaces 3020-00-794-7471?

There are 2 known substitutes for 3020-00-794-7471: 5340-01-112-1925, 5930-01-416-9034. Verify interchangeability with system specifications before substitution.

What are the specifications of 543-2635-002?

Key specifications for 543-2635-002: Pitch Diameter: 0.6250 INCHES NOMINAL IN; Clamping Surface Nominal Length: 0.250 INCHES FIRST END IN; Attachment Method: CLAMP; Nominal Outside Diameter: 0.718 INCHES IN. 19 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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