PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2237731Gear,spur

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 3020-00-010-8083 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-010-8083 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-010-8083. Primary manufacturer part number: 2237731.
Features
  • Gear,spur — FSC 3020
  • Hub Style Designator: 1 STEP FIRST END
  • Tooth Form: STUB
  • Bore Nominal Diameter: 0.187 INCHES BOTH ENDS IN
  • Face Nominal Width: 0.093 INCHES IN
  • Nominal Outside Diameter: 0.640 INCHES IN
  • End Nominal Diameter: 0.250 INCHES FIRST END IN
  • First Step Nominal Length: 0.037 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 3020-00-010-8083, 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 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-010-8083
Primary Part Number2237731
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Hub Style Designator1 STEP FIRST END
Tooth FormSTUB
Bore Nominal Diameter0.187 INCHES BOTH ENDS IN
Face Nominal Width0.093 INCHES IN
Nominal Outside Diameter0.640 INCHES IN
End Nominal Diameter0.250 INCHES FIRST END IN
First Step Nominal Length0.037 INCHES FIRST END IN
First Step Nominal Diameter0.375 INCHES FIRST END IN
End Nominal Length0.245 INCHES FIRST END IN
MaterialALUMINUM ALLOY 2024 OVERALL
Nominal Distance Between Body Face and Protruding Hub End0.375 INCHES FIRST END IN
Style DesignatorPROTRUDING HUB
Pressure Angle20.0000 DEGREES
Precision ClassificationQUALITY NUMBER 10 OR QUALITY NUMBER 11
Material Document and ClassificationQQ-A-355 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Bore StylePLAIN BOTH ENDS
Teeth Quantity29
Body StylePLAIN, SOLID
Pitch Diameter0.6042 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5815-00-392-1741 INTERCHANGEABLE
Backstop
4710-00-678-412711224-1 INTERCHANGEABLE
Tube,torque,fore an
B/e Aerospace Inc Dba Interturbine
6130-01-140-223811224-4 INTERCHANGEABLE
Power Supply
Hamilton Sundstrand Corporation Dba Collins Aerospace
2010-01-631-2140112241 INTERCHANGEABLE
Duct,reverse,waterj
Hamilton Jet, Inc.
Cross-Reference Index
Part NumberManufacturer
2237731 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
112-241 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
Related Parts
5815-00-392-1741INTERCHANGEABLE
BACKSTOP
4710-00-678-4127INTERCHANGEABLE
TUBE,TORQUE,FORE AN
11224-1
6130-01-140-2238INTERCHANGEABLE
POWER SUPPLY
11224-4
2010-01-631-2140INTERCHANGEABLE
DUCT,REVERSE,WATERJ
112241

Frequently Asked Questions

What is NSN 3020-00-010-8083?

NSN 3020-00-010-8083 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 3020-00-010-8083?

NSN 3020-00-010-8083 has 2 cross-referenced part numbers: 2237731 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 112-241 (Lockheed Martin Corporation Div Rms - Mitchel Field).

What NSN replaces 3020-00-010-8083?

There are 4 known substitutes for 3020-00-010-8083: 5815-00-392-1741, 4710-00-678-4127, 6130-01-140-2238 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2237731?

Key specifications for 2237731: Hub Style Designator: 1 STEP FIRST END; Tooth Form: STUB; Bore Nominal Diameter: 0.187 INCHES BOTH ENDS IN; Face Nominal Width: 0.093 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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