PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

203447Gear Cluster

Dana Off Highway Products, Llc · NSN 3020-00-423-0797 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-423-0797 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-423-0797. Primary manufacturer part number: 203447.
Features
  • Gear Cluster — FSC 3020
  • Hub Nominal Length: 1.448 INCHES BETWEEN FIRST AND SECOND GEAR IN
  • Hub Style Designator: 1 STEP BETWEEN FIRST AND SECOND GEAR
  • Nominal Outside Diameter: 4.1975 INCHES FIRST GEAR IN
  • Construction: SOLID
  • Design Type: SPUR FIRST GEAR
  • Nominal Outside Diameter: 3.8615 INCHES SECOND GEAR 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 Cluster, cataloged under National Stock Number 3020-00-423-0797, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 12 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
NSN3020-00-423-0797
Primary Part Number203447
Item NameGear Cluster
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerDana Off Highway Products, Llc
StatusCANCELLED
Hub Nominal Length1.448 INCHES BETWEEN FIRST AND SECOND GEAR IN
Hub Style Designator1 STEP BETWEEN FIRST AND SECOND GEAR
Nominal Outside Diameter4.1975 INCHES FIRST GEAR IN
ConstructionSOLID
Design TypeSPUR FIRST GEAR
Nominal Outside Diameter3.8615 INCHES SECOND GEAR IN
Material Document and ClassificationQQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Bore Nominal Diameter1.626 INCHES BOTH ENDS IN
Design TypeSPUR SECOND GEAR
Bore StylePLAIN BOTH ENDS
Backlash DesignationGRADE A ALL GEARS
Hardness Rating58.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM TEETH
Nominal Overall Length3.495 INCHES IN
Hub Nominal Diameter2.812 INCHES BETWEEN FIRST AND SECOND GEAR IN
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6240-00-155-8640 INTERCHANGEABLE
Lamp,incandescent
6145-00-191-2510TG 12 INTERCHANGEABLE
Wire,electrical
Allied Wire and Cable Llc Dba Allied Wire and Cable Inc Div Allied Wire & Cable, Llc.
5330-00-315-267131 INTERCHANGEABLE
Packing Material
Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc
5365-00-374-28603447 INTERCHANGEABLE
Spacer,sleeve
The Gorman-Rupp Company Div Gorman-Rupp
6640-00-408-991503-448-5 INTERCHANGEABLE
Box,microscope Slide
Fisher Scientific Company L.l.c.
5998-00-432-1460 INTERCHANGEABLE
Printed Circuit Board
4940-00-433-4839A-160-HG INTERCHANGEABLE
Reflector
Master Appliance Corporation Dba Master Appliance Corp
5307-00-700-8785203447 INTERCHANGEABLE
Stud,plain
Renk America Llc Div Renk America
5940-00-800-7470TG12 INTERCHANGEABLE
Terminal,lug
Abb Installation Products Inc
5950-01-064-9268800584-0012 INTERCHANGEABLE
Reactor
Sypris Electronics, Llc
Cross-Reference Index
Part NumberManufacturer
7994334 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
WT215-10B Perfection Clutch (USA)
203447 Clark Equipment Co (USA)
T93-10 Borg-Warner Corp (USA)
8B8120 Napco International Llc Dba Napco International Inc (USA)
72370R Diamond Reo Truck Co (USA)
666953 Sasco Inc Canadian Div
3447 Clark Equipment Co (USA)
2073050 General Motors Llc Dba General Motors Llc (USA)
203447 PRIMARY Dana Off Highway Products, Llc (USA)
2073050 Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 (USA)
TG12 Marmon Group Inc the Active Gear Co Div (USA)
T93-10 Liberty Ventures Inti, Llc (USA)
Related Parts
6240-00-155-8640INTERCHANGEABLE
LAMP,INCANDESCENT
6145-00-191-2510INTERCHANGEABLE
WIRE,ELECTRICAL
TG 12
5330-00-315-2671INTERCHANGEABLE
PACKING MATERIAL
31
5365-00-374-2860INTERCHANGEABLE
SPACER,SLEEVE
3447
6640-00-408-9915INTERCHANGEABLE
BOX,MICROSCOPE SLIDE
03-448-5
5998-00-432-1460INTERCHANGEABLE
PRINTED CIRCUIT BOARD
4940-00-433-4839INTERCHANGEABLE
REFLECTOR
A-160-HG
5307-00-700-8785INTERCHANGEABLE
STUD,PLAIN
203447
5940-00-800-7470INTERCHANGEABLE
TERMINAL,LUG
TG12
5950-01-064-9268INTERCHANGEABLE
REACTOR
800584-0012
3895-01-082-8490INTERCHANGEABLE
SLEEVE,TANK GUAGE
3360187
2530-01-147-6375INTERCHANGEABLE
CYLINDER,HYDRAULIC BRAKE,WHEEL
19175609

Frequently Asked Questions

What is NSN 3020-00-423-0797?

NSN 3020-00-423-0797 is a Gear Cluster, manufactured by Dana Off Highway Products, Llc, classified under FSC 3020 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3020-00-423-0797?

NSN 3020-00-423-0797 has 13 cross-referenced part numbers: 7994334 (U S Army Tank Automotive Command Amsta-Im-Mm), WT215-10B (Perfection Clutch), 203447 (Clark Equipment Co), T93-10 (Borg-Warner Corp), 8B8120 (Napco International Llc Dba Napco International Inc) and 8 more.

What NSN replaces 3020-00-423-0797?

There are 12 known substitutes for 3020-00-423-0797: 6240-00-155-8640, 6145-00-191-2510, 5330-00-315-2671 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 203447?

Key specifications for 203447: Hub Nominal Length: 1.448 INCHES BETWEEN FIRST AND SECOND GEAR IN; Hub Style Designator: 1 STEP BETWEEN FIRST AND SECOND GEAR; Nominal Outside Diameter: 4.1975 INCHES FIRST GEAR IN; Construction: SOLID. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3020-00-423-0797 still in active supply?

NSN 3020-00-423-0797 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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