PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

203445Gear,spur

Dana Off Highway Products, Llc · NSN 3020-00-274-4499 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-274-4499 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-274-4499. Primary manufacturer part number: 203445.
Features
  • Gear,spur — FSC 3020
  • Body Style: WEBBED, SOLID
  • Hardness Rating: 58.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM OVERALL
  • Nominal Distance Between Body Face and Protruding Hub End: 0.562 INCHES FIRST END IN
  • Hub Nominal Diameter: 2.615 INCHES FIRST END IN
  • First Step Nominal Diameter: 2.615 INCHES SECOND END IN
  • Face Nominal Width: 1.219 INCHES IN
  • Material Document and Classification: QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-274-4499, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Dana Off Highway Products, Llc. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 29 commercial cross-references from 21 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3020-00-274-4499
Primary Part Number203445
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerDana Off Highway Products, Llc
StatusCANCELLED
Body StyleWEBBED, SOLID
Hardness Rating58.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM OVERALL
Nominal Distance Between Body Face and Protruding Hub End0.562 INCHES FIRST END IN
Hub Nominal Diameter2.615 INCHES FIRST END IN
First Step Nominal Diameter2.615 INCHES SECOND END IN
Face Nominal Width1.219 INCHES IN
Material Document and ClassificationQQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Pressure Angle20.0000 DEGREES
Teeth Quantity45
Nominal Overall Length1.734 INCHES IN
Hub Style Designator1 STEP SECOND END
Nominal Outside Diameter7.541 INCHES IN
Bore StyleSTRAIGHT SPLINE BOTH ENDS
Tooth FormSTANDARD
End Nominal Length0.153 INCHES SECOND END IN
Spline Quantity6 BOTH ENDS
Hub Style DesignatorPLAIN FIRST END
Bore Nominal Diameter1.991 INCHES BOTH ENDS IN
MaterialSTEEL OVERALL
Nominal Distance Between Body Face and Recessed Hub End0.109 INCHES SECOND END IN
First Step Nominal Length0.409 INCHES SECOND END IN
Pitch Diameter7.2980 INCHES NOMINAL IN
End Nominal Diameter3.125 INCHES SECOND END IN
Style DesignatorONE PROTRUDING HUB, ONE RECESSED HUB
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5905-00-055-92548712401 INTERCHANGEABLE
Resistor,current Regulating
U S Army Tank Automotive Command Amsta-Im-Mm
5815-00-097-6594 INTERCHANGEABLE
Teletypewriter Subassembly
5940-00-156-7345 INTERCHANGEABLE
Terminal,lug
5915-00-243-5187 INTERCHANGEABLE
Suppressor,parasitic
5905-00-404-8089238010-3 INTERCHANGEABLE
Resistor Network,fixed,film
Raytheon Company
2840-00-607-3465201017 INTERCHANGEABLE
Seal,air,aircraft Gas Turbine En
Kaydon Ring & Seal Inc Dba Skf Precision Technologies
2530-00-700-52837005283 INTERCHANGEABLE
Bracket
U S Army Tank Automotive Command Amsta-Im-Mm
5940-00-705-67027056702 INTERCHANGEABLE
Terminal,lug
U S Army Tank Automotive Command Amsta-Im-Mm
5330-00-958-852738829J INTERCHANGEABLE
Gasket
Griswold Industries Dba Cla-Val Co
6220-01-248-077019103 INTERCHANGEABLE
Light,navigational,aircraft
Kurz & Root Generator Company, Llc
Cross-Reference Index
Part NumberManufacturer
203445 Dana Off Highway Products, Llc (USA)
667036 Sasco Inc Canadian Div
2E203445 Fwd Seagrave Holdings Lp (USA)
567426 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
2073103 General Motors Llc Dba General Motors Llc (USA)
7EQ7100 Ford Motor Company (USA)
TG2 Queens Hydraulic Co Inc (USA)
799433 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
42335R Diamond Reo Truck Co (USA)
888122 Napco International Llc Dba Napco International Inc (USA)
2073103 Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 (USA)
7EQ7100 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
3BLA022 Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.) (USA)
201017 Dana Off Highway Products, Llc (USA)
2073103 General Motors Corp (USA)
T93-12 Liberty Ventures Inti, Llc (USA)
38829 New Venture Gear Inc New Process Gear Div (USA)
19103 Diamond Reo Truck Co (USA)
8B8122 Napco International Llc Dba Napco International Inc (USA)
201017 Clark Equipment Co (USA)
Related Parts
5905-00-055-9254INTERCHANGEABLE
RESISTOR,CURRENT REGULATING
8712401
5815-00-097-6594INTERCHANGEABLE
TELETYPEWRITER SUBASSEMBLY
5940-00-156-7345INTERCHANGEABLE
TERMINAL,LUG
5915-00-243-5187INTERCHANGEABLE
SUPPRESSOR,PARASITIC
5905-00-404-8089INTERCHANGEABLE
RESISTOR NETWORK,FIXED,FILM
238010-3
2840-00-607-3465INTERCHANGEABLE
SEAL,AIR,AIRCRAFT GAS TURBINE EN
201017
2530-00-700-5283INTERCHANGEABLE
BRACKET
7005283
5940-00-705-6702INTERCHANGEABLE
TERMINAL,LUG
7056702
5330-00-958-8527INTERCHANGEABLE
GASKET
38829J
6220-01-248-0770INTERCHANGEABLE
LIGHT,NAVIGATIONAL,AIRCRAFT
19103
3040-01-335-7845INTERCHANGEABLE
BRACKET,EYE,NONROTATING SHAFT
313674 FIND 55
6505-01-338-4717INTERCHANGEABLE
SODIUM CHLORIDE INHALATION SOLUT

Frequently Asked Questions

What is NSN 3020-00-274-4499?

NSN 3020-00-274-4499 is a Gear,spur, manufactured by Dana Off Highway Products, Llc, classified under FSC 3020 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3020-00-274-4499?

NSN 3020-00-274-4499 has 29 cross-referenced part numbers: 203445 (Dana Off Highway Products, Llc), 667036 (Sasco Inc Canadian Div), 2E203445 (Fwd Seagrave Holdings Lp), 567426 (Chrysler Realty Company Llc Dba Daimler Chrysler), 2073103 (General Motors Llc Dba General Motors Llc) and 24 more.

What NSN replaces 3020-00-274-4499?

There are 12 known substitutes for 3020-00-274-4499: 5905-00-055-9254, 5815-00-097-6594, 5940-00-156-7345 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 203445?

Key specifications for 203445: Body Style: WEBBED, SOLID; Hardness Rating: 58.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM OVERALL; Nominal Distance Between Body Face and Protruding Hub End: 0.562 INCHES FIRST END IN; Hub Nominal Diameter: 2.615 INCHES FIRST END IN. 24 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3020-00-274-4499 still in active supply?

NSN 3020-00-274-4499 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.
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