PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

312697C1Gear,helical

Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ · NSN 3020-00-894-6495 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-894-6495 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-894-6495. Primary manufacturer part number: 312697C1.
Features
  • Gear,helical — FSC 3020
  • Body Style: WEBBED, OFFSET, SOLID
  • Nominal Distance Between Body Face and Recessed Hub End: 0.063 INCHES SECOND END IN
  • Hub Style Designator: PLAIN FIRST END
  • Style Designator: ONE PROTRUDING HUB, ONE RECESSED HUB
  • Bore Nominal Diameter: 2.1250 INCHES BOTH ENDS IN
  • Hub Nominal Diameter: 2.750 INCHES FIRST END IN
  • Attachment Method: MOUNTING HOLE
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Overall construction
General Description

The Gear,helical, cataloged under National Stock Number 3020-00-894-6495, 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 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-894-6495
Primary Part Number312697C1
Item NameGear,helical
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerNavistar Intl Corp Melrose Park Engine Plant Location /melrose Park/
StatusACTIVE
Body StyleWEBBED, OFFSET, SOLID
Nominal Distance Between Body Face and Recessed Hub End0.063 INCHES SECOND END IN
Hub Style DesignatorPLAIN FIRST END
Style DesignatorONE PROTRUDING HUB, ONE RECESSED HUB
Bore Nominal Diameter2.1250 INCHES BOTH ENDS IN
Hub Nominal Diameter2.750 INCHES FIRST END IN
Attachment MethodMOUNTING HOLE
Hub Style Designator1 STEP SECOND END
Pressure Angle20.0000 DEGREES
End Nominal Diameter2.570 INCHES SECOND END IN
Bore StylePLAIN BOTH ENDS
Mounting Hole Type and Quantity3 PLAIN AXIALLY THROUGH BODY FIRST END
Bolt Hole Circle Nominal Diameter3.438 INCHES AXIALLY THROUGH BODY FIRST END IN
Teeth TypeSINGLE HELIX
First Step Nominal Diameter2.9350 INCHES SECOND END IN
First Step Nominal Length0.225 INCHES SECOND END IN
Features ProvidedCASEHARDENED
End Nominal Length0.200 INCHES SECOND END IN
Face Nominal Width0.970 INCHES IN
Nominal Outside Diameter5.1050 INCHES IN
Nominal Distance Between Body Face and Protruding Hub End0.415 INCHES FIRST END IN
Mounting Hole Nominal Diameter0.550 INCHES AXIALLY THROUGH BODY FIRST END IN
Tooth DirectionLEFT
Helix Angle24.0000 DEGREES
Tooth FormSTANDARD
Teeth Quantity33
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
1005-00-303-02289227 INTERCHANGEABLE
Chuting Assembly,fo
Nobles Worldwide, Inc.
Cross-Reference Index
Part NumberManufacturer
C4TZ7176A Ford Motor Company (USA)
2466249 General Motors Llc Dba General Motors Llc (USA)
312697C1 PRIMARY Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
2466249 Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 (USA)
C4TZ7176A Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
95726 New Venture Gear Inc New Process Gear Div (USA)
Related Parts
1005-00-303-0228INTERCHANGEABLE
CHUTING ASSEMBLY,FO
9227

Frequently Asked Questions

What is NSN 3020-00-894-6495?

NSN 3020-00-894-6495 is a Gear,helical, 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 3020-00-894-6495?

NSN 3020-00-894-6495 has 6 cross-referenced part numbers: C4TZ7176A (Ford Motor Company), 2466249 (General Motors Llc Dba General Motors Llc), 312697C1 (Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/), 2466249 (Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02), C4TZ7176A (Ford Motor Co Ford Parts and Service Div Government Part Sales) and 1 more.

What NSN replaces 3020-00-894-6495?

There is 1 known substitute for 3020-00-894-6495: 1005-00-303-0228. Verify interchangeability with system specifications before substitution.

What are the specifications of 312697C1?

Key specifications for 312697C1: Body Style: WEBBED, OFFSET, SOLID; Nominal Distance Between Body Face and Recessed Hub End: 0.063 INCHES SECOND END IN; Hub Style Designator: PLAIN FIRST END; Style Designator: ONE PROTRUDING HUB, ONE RECESSED HUB. 28 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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