PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1197190-1Gear,spur

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 3020-00-050-6841 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-050-6841 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-050-6841. Primary manufacturer part number: 1197190-1.
Features
  • Gear,spur — FSC 3020
  • Pitch Diameter: 2.8125 INCHES NOMINAL IN
  • Body Style: PLAIN, SOLID
  • Tooth Form: STANDARD
  • First Step Nominal Diameter: 0.375 INCHES FIRST END IN
  • Bore Nominal Diameter: 0.187 INCHES BOTH ENDS IN
  • Nominal Distance Between Body Face and Protruding Hub End: 0.280 INCHES FIRST END IN
  • Precision Classification: QUALITY NUMBER 10 OR QUALITY NUMBER 11
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Aluminum Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-050-6841, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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
NSN3020-00-050-6841
Primary Part Number1197190-1
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Pitch Diameter2.8125 INCHES NOMINAL IN
Body StylePLAIN, SOLID
Tooth FormSTANDARD
First Step Nominal Diameter0.375 INCHES FIRST END IN
Bore Nominal Diameter0.187 INCHES BOTH ENDS IN
Nominal Distance Between Body Face and Protruding Hub End0.280 INCHES FIRST END IN
Precision ClassificationQUALITY NUMBER 10 OR QUALITY NUMBER 11
MaterialALUMINUM OVERALL
Nominal Outside Diameter2.854 INCHES IN
Style DesignatorPROTRUDING HUB
End Nominal Diameter0.250 INCHES FIRST END IN
Face Nominal Width0.095 INCHES IN
Pressure Angle20.0000 DEGREES
Hub Style Designator1 STEP FIRST END
First Step Nominal Length0.035 INCHES FIRST END IN
End Nominal Length0.245 INCHES FIRST END IN
Bore StylePLAIN BOTH ENDS
Material Document and ClassificationQQ-A-225/8,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Teeth Quantity135
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6220-01-415-416241603-1 INTERCHANGEABLE
Panel,indicating,light Transmitt
Fleet Readiness Center East Div Department of Navy
Cross-Reference Index
Part NumberManufacturer
1197190-1 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
1197190 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
41-603-1 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
Related Parts
6220-01-415-4162INTERCHANGEABLE
PANEL,INDICATING,LIGHT TRANSMITT
41603-1

Frequently Asked Questions

What is NSN 3020-00-050-6841?

NSN 3020-00-050-6841 is a Gear,spur, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-050-6841?

NSN 3020-00-050-6841 has 3 cross-referenced part numbers: 1197190-1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 1197190 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 41-603-1 (Lockheed Martin Corporation Div Rms - Mitchel Field).

What NSN replaces 3020-00-050-6841?

There is 1 known substitute for 3020-00-050-6841: 6220-01-415-4162. Verify interchangeability with system specifications before substitution.

What are the specifications of 1197190-1?

Key specifications for 1197190-1: Pitch Diameter: 2.8125 INCHES NOMINAL IN; Body Style: PLAIN, SOLID; Tooth Form: STANDARD; First Step Nominal Diameter: 0.375 INCHES FIRST END 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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