PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T9-12WGear Cluster

Borg-Warner Corp · NSN 3020-00-360-6909 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-360-6909 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-360-6909. Primary manufacturer part number: T9-12W.
Features
  • Gear Cluster — FSC 3020
  • Bore Style: STRAIGHT SPLINE BOTH ENDS
  • Hub Style Designator: 1 GROOVE SECOND END
  • Bore Nominal Diameter: 1.269 INCHES BOTH ENDS IN
  • Hub Nominal Diameter: 2.500 INCHES SECOND END IN
  • Nominal Overall Length: 2.156 INCHES IN
  • Hub Nominal Diameter: 1.999 INCHES FIRST END IN
  • Nominal Outside Diameter: 5.000 INCHES SECOND GEAR IN
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 3020-00-360-6909, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Borg-Warner Corp. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-360-6909
Primary Part NumberT9-12W
Item NameGear Cluster
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerBorg-Warner Corp
StatusACTIVE
Bore StyleSTRAIGHT SPLINE BOTH ENDS
Hub Style Designator1 GROOVE SECOND END
Bore Nominal Diameter1.269 INCHES BOTH ENDS IN
Hub Nominal Diameter2.500 INCHES SECOND END IN
Nominal Overall Length2.156 INCHES IN
Hub Nominal Diameter1.999 INCHES FIRST END IN
Nominal Outside Diameter5.000 INCHES SECOND GEAR IN
Hub Nominal Length0.3437 INCHES FIRST END IN
MaterialSTEEL OVERALL
Hub Nominal Length0.4062 INCHES SECOND END IN
Hub Nominal Diameter4.180 INCHES BETWEEN FIRST AND SECOND GEAR IN
Hub Style DesignatorPLAIN BETWEEN FIRST AND SECOND GEAR
Hub Nominal Length0.188 INCHES BETWEEN FIRST AND SECOND GEAR IN
Nominal Outside Diameter3.365 INCHES FIRST GEAR IN
ConstructionSOLID
Spline Quantity6 BOTH ENDS
Design TypeSPUR FIRST GEAR
Hub Style DesignatorPLAIN FIRST END
Design TypeSPUR SECOND GEAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
9540-00-006-8467 INTERCHANGEABLE
Angle,structural
5133-00-262-2158 INTERCHANGEABLE
Drill,twist
5935-01-035-5650 INTERCHANGEABLE
Adapter,connector
3460-01-124-5609GRT15010-819B INTERCHANGEABLE
Nose Piece,drill
Greer Aero Llc
7690-01-256-642011457 INTERCHANGEABLE
Marker,identification
Stanley Black & Decker, Inc. Dba Stanley Hydraulic Tools Div Stanley Hydraulic Tools
5895-01-265-039211457 INTERCHANGEABLE
Panel,indicator
L & R Manufacturing Company
3110-01-561-6121 INTERCHANGEABLE
Ball,bearing
Cross-Reference Index
Part NumberManufacturer
T9-12W Liberty Ventures Inti, Llc (USA)
T9-12W PRIMARY Borg-Warner Corp (USA)
T9-12W Marysville Marine Distributors, Inc. (USA)
120913 Matisa (FRA)
11457 Tennant Company (USA)
Related Parts
9540-00-006-8467INTERCHANGEABLE
ANGLE,STRUCTURAL
5133-00-262-2158INTERCHANGEABLE
DRILL,TWIST
5935-01-035-5650INTERCHANGEABLE
ADAPTER,CONNECTOR
3460-01-124-5609INTERCHANGEABLE
NOSE PIECE,DRILL
GRT15010-819B
7690-01-256-6420INTERCHANGEABLE
MARKER,IDENTIFICATION
11457
5895-01-265-0392INTERCHANGEABLE
PANEL,INDICATOR
11457
3110-01-561-6121INTERCHANGEABLE
BALL,BEARING

Frequently Asked Questions

What is NSN 3020-00-360-6909?

NSN 3020-00-360-6909 is a Gear Cluster, manufactured by Borg-Warner Corp, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-360-6909?

NSN 3020-00-360-6909 has 5 cross-referenced part numbers: T9-12W (Liberty Ventures Inti, Llc), T9-12W (Borg-Warner Corp), T9-12W (Marysville Marine Distributors, Inc.), 120913 (Matisa), 11457 (Tennant Company).

What NSN replaces 3020-00-360-6909?

There are 7 known substitutes for 3020-00-360-6909: 9540-00-006-8467, 5133-00-262-2158, 5935-01-035-5650 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T9-12W?

Key specifications for T9-12W: Bore Style: STRAIGHT SPLINE BOTH ENDS; Hub Style Designator: 1 GROOVE SECOND END; Bore Nominal Diameter: 1.269 INCHES BOTH ENDS IN; Hub Nominal Diameter: 2.500 INCHES SECOND 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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