PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

504-7799-002Gear,spur

Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems · NSN 3020-00-289-7461 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-289-7461 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-289-7461. Primary manufacturer part number: 504-7799-002.
Features
  • Gear,spur — FSC 3020
  • Hub Nominal Diameter: 0.2450 INCHES FIRST END IN
  • Nominal Outside Diameter: 0.413 INCHES IN
  • Hub Style Designator: PLAIN BOTH ENDS
  • Tooth Form: STANDARD
  • Body Style: PLAIN, SOLID
  • Teeth Quantity: 18
  • Pressure Angle: 20.0000 DEGREES
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-289-7461, 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 17 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: Cancelled.

Technical Specifications
ParameterValue
NSN3020-00-289-7461
Primary Part Number504-7799-002
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerRockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
StatusCANCELLED
Hub Nominal Diameter0.2450 INCHES FIRST END IN
Nominal Outside Diameter0.413 INCHES IN
Hub Style DesignatorPLAIN BOTH ENDS
Tooth FormSTANDARD
Body StylePLAIN, SOLID
Teeth Quantity18
Pressure Angle20.0000 DEGREES
Bore Nominal Diameter0.1244 INCHES FIRST END IN
MaterialSTEEL COMP 303 OVERALL
Face Nominal Width0.165 INCHES IN
Nominal Distance Between Body Face and Protruding Hub End0.1125 INCHES FIRST END IN
Surface TreatmentPASSIVATE OVERALL
Backlash DesignationGRADE E
Style DesignatorPROTRUDING HUBS
Pitch Diameter0.3750 INCHES NOMINAL IN
Material Document and ClassificationAISI 303/SAE 30303 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Bore StylePLAIN BOTH ENDS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
3020-00-431-9255101515 INTERCHANGEABLE
Gear,spur
Kearfott Corporation Div Guidance and Navigation Division
2940-00-737-5057118290 INTERCHANGEABLE
Ring Reinforcing
Am General Llc
Cross-Reference Index
Part NumberManufacturer
504-7799-002 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
118290 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
Related Parts
3020-00-431-9255INTERCHANGEABLE
GEAR,SPUR
101515
2940-00-737-5057INTERCHANGEABLE
RING REINFORCING
118290

Frequently Asked Questions

What is NSN 3020-00-289-7461?

NSN 3020-00-289-7461 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: cancelled.

What are the part numbers for NSN 3020-00-289-7461?

NSN 3020-00-289-7461 has 2 cross-referenced part numbers: 504-7799-002 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 118290 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).

What NSN replaces 3020-00-289-7461?

There are 2 known substitutes for 3020-00-289-7461: 3020-00-431-9255, 2940-00-737-5057. Verify interchangeability with system specifications before substitution.

What are the specifications of 504-7799-002?

Key specifications for 504-7799-002: Hub Nominal Diameter: 0.2450 INCHES FIRST END IN; Nominal Outside Diameter: 0.413 INCHES IN; Hub Style Designator: PLAIN BOTH ENDS; Tooth Form: STANDARD. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3020-00-289-7461 still in active supply?

NSN 3020-00-289-7461 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com