PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AT98A11Gear,helical

Borg-Warner Corp · NSN 3020-00-594-9456 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-594-9456 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-594-9456. Primary manufacturer part number: AT98A11.
Features
  • Gear,helical — FSC 3020
  • Tooth Direction: RIGHT
  • Helix Angle: 28.0000 DEGREES
  • Hub Nominal Diameter: 2.500 INCHES FIRST END IN
  • Teeth Quantity: 24
  • Teeth Type: SINGLE HELIX
  • Material: STEEL COMP 303SE OVERALL
  • Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 4027 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 303SE Overall construction
General Description

The Gear,helical, cataloged under National Stock Number 3020-00-594-9456, 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 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3020-00-594-9456
Primary Part NumberAT98A11
Item NameGear,helical
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerBorg-Warner Corp
StatusCANCELLED
Tooth DirectionRIGHT
Helix Angle28.0000 DEGREES
Hub Nominal Diameter2.500 INCHES FIRST END IN
Teeth Quantity24
Teeth TypeSINGLE HELIX
MaterialSTEEL COMP 303SE OVERALL
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 4027 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Pressure Angle20.0000 DEGREES
Bore StyleW/COUNTERBORE COUNTERBORE FIRST END
Tooth FormSTANDARD
Bore Nominal Diameter1.500 INCHES COUNTERBORE FIRST END IN
Features ProvidedCASEHARDENED
Nominal Distance Between Body Face and Protruding Hub End1.0313 INCHES FIRST END IN
Furnished Items and Quantity2 EXTERNALLY LUBRICATED BEARING
Counterbore Nominal Depth0.3750 INCHES COUNTERBORE FIRST END IN
Hub Style DesignatorPLAIN BOTH ENDS
Nominal Outside Diameter3.6875 INCHES IN
Style DesignatorPROTRUDING HUBS
Hub Nominal Diameter2.000 INCHES SECOND END IN
Pitch Diameter3.4286 INCHES NOMINAL IN
Nominal Distance Between Body Face and Protruding Hub End0.0156 INCHES SECOND END IN
Body StylePLAIN, SOLID
Counterbore Nominal Diameter2.0625 INCHES COUNTERBORE FIRST END IN
Face Nominal Width0.922 INCHES IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5905-00-561-7515801527 INTERCHANGEABLE
Resistance Element
Teledyne Controls, Llc Dba Teledyne Controls
6515-01-494-453780-1527 INTERCHANGEABLE
Forceps,microsurgical
Specialty Surgical Instrumentation, Inc. Dba Symmetry Surgical Inc Div Symmetry Surgical
4130-01-602-9129MF95 1/1 INTERCHANGEABLE
Filter Element,air Conditioning
Freudenberg Nonwovens Limited Partnership Dba Freudnberg Nonwovens Air Filtration Div
Cross-Reference Index
Part NumberManufacturer
154076R11 Navistar International Corporation Dba Navistar (USA)
912325 Am General Llc (USA)
AT98A11 PRIMARY Borg-Warner Corp (USA)
615568 Mitsubishi Caterpillar Forklift America, Inc (USA)
T98-11 Liberty Ventures Inti, Llc (USA)
53832A Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling (USA)
801527 Hyster-Yale Group, Inc. Dba Yale Materials Handling (USA)
53832A Hyster-Yale Group, Inc. (USA)
154076R11 PRIMARY Navistar Intl Corp Truck Br Ohio Plant (USA)
685-1012 Lift Parts Mfg Co Inc Div of Echlin Mfg Co the (USA)
685-1012 Tvh Parts Co. (USA)
Related Parts
5905-00-561-7515INTERCHANGEABLE
RESISTANCE ELEMENT
801527
6515-01-494-4537INTERCHANGEABLE
FORCEPS,MICROSURGICAL
80-1527
4130-01-602-9129INTERCHANGEABLE
FILTER ELEMENT,AIR CONDITIONING
MF95 1/1

Frequently Asked Questions

What is NSN 3020-00-594-9456?

NSN 3020-00-594-9456 is a Gear,helical, manufactured by Borg-Warner Corp, classified under FSC 3020 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3020-00-594-9456?

NSN 3020-00-594-9456 has 11 cross-referenced part numbers: 154076R11 (Navistar International Corporation Dba Navistar), 912325 (Am General Llc), AT98A11 (Borg-Warner Corp), 615568 (Mitsubishi Caterpillar Forklift America, Inc), T98-11 (Liberty Ventures Inti, Llc) and 6 more.

What NSN replaces 3020-00-594-9456?

There are 3 known substitutes for 3020-00-594-9456: 5905-00-561-7515, 6515-01-494-4537, 4130-01-602-9129. Verify interchangeability with system specifications before substitution.

What are the specifications of AT98A11?

Key specifications for AT98A11: Tooth Direction: RIGHT; Helix Angle: 28.0000 DEGREES; Hub Nominal Diameter: 2.500 INCHES FIRST END IN; Teeth Quantity: 24. 25 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3020-00-594-9456 still in active supply?

NSN 3020-00-594-9456 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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