PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

478660R91Gear,bevel

Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ · NSN 3020-00-249-6210 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-249-6210 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-249-6210. Primary manufacturer part number: 478660R91.
Features
  • Gear,bevel — FSC 3020
  • Pitch Diameter: 8.7272 INCHES NOMINAL IN
  • Material Document and Classification: QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Bore Style: STRAIGHT SPLINE BOTH ENDS
  • Nominal Outside Diameter: 8.7272 INCHES IN
  • Hub Style Designator: PLAIN BOTH ENDS
  • Face Nominal Width: 2.000 INCHES IN
  • Spline Quantity: 6 BOTH ENDS
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 4140 Overall construction
General Description

The Gear,bevel, cataloged under National Stock Number 3020-00-249-6210, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-249-6210
Primary Part Number478660R91
Item NameGear,bevel
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerNavistar Intl Corp Melrose Park Engine Plant Location /melrose Park/
StatusACTIVE
Pitch Diameter8.7272 INCHES NOMINAL IN
Material Document and ClassificationQQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Bore StyleSTRAIGHT SPLINE BOTH ENDS
Nominal Outside Diameter8.7272 INCHES IN
Hub Style DesignatorPLAIN BOTH ENDS
Face Nominal Width2.000 INCHES IN
Spline Quantity6 BOTH ENDS
MaterialSTEEL COMP 4140 OVERALL
Counterbore Nominal Depth0.3125 INCHES SECOND END IN
Teeth TypeSTRAIGHT
Style DesignatorSIDE FACE, FRONT HUB RECESSED, BACK HUB PROTRUDING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5985-00-061-0230 INTERCHANGEABLE
Attenuator,variable
3455-00-224-373210305 INTERCHANGEABLE
Cutter,milling,end
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
5985-00-296-1295 INTERCHANGEABLE
Antenna
2805-00-517-991520012A INTERCHANGEABLE
Valve,poppet,engine
Brinkley Technology Group Llc Dba Hercules Manufacturing
5961-00-560-4233 INTERCHANGEABLE
Transistor
5940-01-399-2465 INTERCHANGEABLE
Terminal,lug
6105-01-437-0493E15D4 INTERCHANGEABLE
Motor,alternating Current
General Electric Co Motor Business Group
5999-01-439-7073E101 INTERCHANGEABLE
Heater,thermal Release
Schneider Electric Usa, Inc.
6650-01-459-7155E101 INTERCHANGEABLE
Reticle,optical Instrument
Unertl John Optical Co Inc
5999-01-523-5357E101 INTERCHANGEABLE
Switch,disconnect
Koolant Koolers, Inc Dba Schreiber Engineering Corp Div
Cross-Reference Index
Part NumberManufacturer
478660R91 PRIMARY Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
E101 Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co (USA)
E101 Koehring Co Lorain Div (USA)
Related Parts
5985-00-061-0230INTERCHANGEABLE
ATTENUATOR,VARIABLE
3455-00-224-3732INTERCHANGEABLE
CUTTER,MILLING,END
10305
5985-00-296-1295INTERCHANGEABLE
ANTENNA
2805-00-517-9915INTERCHANGEABLE
VALVE,POPPET,ENGINE
20012A
5961-00-560-4233INTERCHANGEABLE
TRANSISTOR
5940-01-399-2465INTERCHANGEABLE
TERMINAL,LUG
6105-01-437-0493INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
E15D4
5999-01-439-7073INTERCHANGEABLE
HEATER,THERMAL RELEASE
E101
6650-01-459-7155INTERCHANGEABLE
RETICLE,OPTICAL INSTRUMENT
E101
5999-01-523-5357INTERCHANGEABLE
SWITCH,DISCONNECT
E101
5930-01-557-1623INTERCHANGEABLE
SWITCH,TOGGLE
E-101
4940-01-614-4583INTERCHANGEABLE
WATER EVAPORATOR
E-101

Frequently Asked Questions

What is NSN 3020-00-249-6210?

NSN 3020-00-249-6210 is a Gear,bevel, manufactured by Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-249-6210?

NSN 3020-00-249-6210 has 3 cross-referenced part numbers: 478660R91 (Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/), E101 (Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co), E101 (Koehring Co Lorain Div).

What NSN replaces 3020-00-249-6210?

There are 12 known substitutes for 3020-00-249-6210: 5985-00-061-0230, 3455-00-224-3732, 5985-00-296-1295 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 478660R91?

Key specifications for 478660R91: Pitch Diameter: 8.7272 INCHES NOMINAL IN; Material Document and Classification: QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Bore Style: STRAIGHT SPLINE BOTH ENDS; Nominal Outside Diameter: 8.7272 INCHES IN. 11 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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