PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8393263Gear Cluster

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 3020-00-447-2222 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-447-2222 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-447-2222. Primary manufacturer part number: 8393263.
Features
  • Gear Cluster — FSC 3020
  • Hardness Rating: 60.0 ROCKWELL C MINIMUM AND 63.00 ROCKWELL C MAXIMUM TEETH
  • Nominal Outside Diameter: 2.375 INCHES FIRST GEAR IN
  • Construction: SOLID
  • Nominal Outside Diameter: 2.3750 INCHES SECOND GEAR IN
  • Material: STEEL COMP 4620 OVERALL
  • Design Type: SPUR SECOND GEAR
  • Bore Nominal Diameter: 1.469 INCHES BOTH ENDS IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 4620 Overall construction
General Description

The Gear Cluster, cataloged under National Stock Number 3020-00-447-2222, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 12 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3020-00-447-2222
Primary Part Number8393263
Item NameGear Cluster
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusCANCELLED
Hardness Rating60.0 ROCKWELL C MINIMUM AND 63.00 ROCKWELL C MAXIMUM TEETH
Nominal Outside Diameter2.375 INCHES FIRST GEAR IN
ConstructionSOLID
Nominal Outside Diameter2.3750 INCHES SECOND GEAR IN
MaterialSTEEL COMP 4620 OVERALL
Design TypeSPUR SECOND GEAR
Bore Nominal Diameter1.469 INCHES BOTH ENDS IN
Hub Style DesignatorPLAIN FIRST END
Bore StyleSTRAIGHT SPLINE BOTH ENDS
Spline Quantity10 SECOND END
Hub Nominal Length0.300 INCHES BETWEEN FIRST AND SECOND GEAR IN
Hub Nominal Diameter1.8750 INCHES BETWEEN FIRST AND SECOND GEAR IN
Hub Nominal Length0.156 INCHES FIRST END IN
Design TypeSPUR FIRST GEAR
Nominal Overall Length1.246 INCHES IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
4820-00-218-4396TG6 INTERCHANGEABLE
Stem,fluid Valve
Circor Naval Solutions Llc Dba Warren Pumps
5360-00-297-6669204-165 INTERCHANGEABLE
Spring,helical,compression
Aerocontrolex Group, Inc.
5940-00-705-6706TG6 INTERCHANGEABLE
Terminal,lug
Abb Installation Products Inc
2510-00-736-67917366791 INTERCHANGEABLE
Leg Assy,support
U S Army Tank Automotive Command Amsta-Im-Mm
5305-00-795-9336204165 INTERCHANGEABLE
Screw,cap
Cummins Inc.
5930-01-004-6377TG-6 INTERCHANGEABLE
Switch,heat Gun
Te Connectivity Corporation Dba Raychem Product Division
5820-01-077-6260 INTERCHANGEABLE
Generator,synchro
7330-01-577-9346TG6 INTERCHANGEABLE
Tongs,food Serving
Cambro Manufacturing Company Dba Cambro Manufacturing Co
4820-01-615-1176667035 INTERCHANGEABLE
Valve,safety Relief
Wiggins Lift Co Inc
Cross-Reference Index
Part NumberManufacturer
TG6 Marmon Group Inc the Active Gear Co Div (USA)
T93-21-2 Borg-Warner Corp (USA)
667035 Diamond Reo Truck Co (USA)
667035 Sasco Inc Canadian Div
204165 Clark Equipment Co (USA)
2095533 General Motors Llc Dba General Motors Llc (USA)
T93-21-2 Liberty Ventures Inti, Llc (USA)
2095533 General Motors Corp (USA)
2095533 Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 (USA)
8393263 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
WT-215-15D Perfection Clutch (USA)
204165 Clark Material Handling Company (USA)
Related Parts
4820-00-218-4396INTERCHANGEABLE
STEM,FLUID VALVE
TG6
5360-00-297-6669INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
204-165
5940-00-705-6706INTERCHANGEABLE
TERMINAL,LUG
TG6
2510-00-736-6791INTERCHANGEABLE
LEG ASSY,SUPPORT
7366791
5305-00-795-9336INTERCHANGEABLE
SCREW,CAP
204165
5930-01-004-6377INTERCHANGEABLE
SWITCH,HEAT GUN
TG-6
5820-01-077-6260INTERCHANGEABLE
GENERATOR,SYNCHRO
7330-01-577-9346INTERCHANGEABLE
TONGS,FOOD SERVING
TG6
4820-01-615-1176INTERCHANGEABLE
VALVE,SAFETY RELIEF
667035

Frequently Asked Questions

What is NSN 3020-00-447-2222?

NSN 3020-00-447-2222 is a Gear Cluster, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3020 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3020-00-447-2222?

NSN 3020-00-447-2222 has 12 cross-referenced part numbers: TG6 (Marmon Group Inc the Active Gear Co Div), T93-21-2 (Borg-Warner Corp), 667035 (Diamond Reo Truck Co), 667035 (Sasco Inc Canadian Div), 204165 (Clark Equipment Co) and 7 more.

What NSN replaces 3020-00-447-2222?

There are 9 known substitutes for 3020-00-447-2222: 4820-00-218-4396, 5360-00-297-6669, 5940-00-705-6706 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8393263?

Key specifications for 8393263: Special Features: GRELIEVE TEETH ON COAST SIDE 0.014-0.016 IN. EXCEPT ONE SEGMENT OF THREE NATURAL TEETH IN EACH GEAR,BORE BROACH 1.4265 IN. DIA,15 DEG 0.078 TOP,0.109 BOTTOM ON EACH HOLE IN; Hardness Rating: 60.0 ROCKWELL C MINIMUM AND 63.00 ROCKWELL C MAXIMUM TEETH; Nominal Outside Diameter: 2.375 INCHES FIRST GEAR IN; Construction: SOLID. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3020-00-447-2222 still in active supply?

NSN 3020-00-447-2222 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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