PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

733868PC4Gear,spur

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 3020-00-210-1778 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-210-1778 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-210-1778. Primary manufacturer part number: 733868PC4.
Features
  • Gear,spur — FSC 3020
  • Hub Nominal Diameter: 3.000 INCHES BOTH ENDS IN
  • Teeth Quantity: 64
  • Spline Quantity: 36 BOTH ENDS
  • Nominal Outside Diameter: 4.125 INCHES IN
  • Spline Pitch Diameter: 2.2500 INCHES NOMINAL BOTH ENDS IN
  • Bore Nominal Diameter: 2.3125 INCHES BOTH ENDS IN
  • Bore Style: INVOLUTE SPLINE BOTH ENDS
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-210-1778, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-210-1778
Primary Part Number733868PC4
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Hub Nominal Diameter3.000 INCHES BOTH ENDS IN
Teeth Quantity64
Spline Quantity36 BOTH ENDS
Nominal Outside Diameter4.125 INCHES IN
Spline Pitch Diameter2.2500 INCHES NOMINAL BOTH ENDS IN
Bore Nominal Diameter2.3125 INCHES BOTH ENDS IN
Bore StyleINVOLUTE SPLINE BOTH ENDS
Pitch Diameter4.0000 INCHES NOMINAL IN
Nominal Distance Between Body Face and Protruding Hub End0.625 INCHES FIRST END IN
Style DesignatorPROTRUDING HUBS
Face Nominal Width0.500 INCHES IN
Pressure Angle14.5000 DEGREES
MaterialSTEEL OVERALL
Nominal Distance Between Body Face and Protruding Hub End0.125 INCHES SECOND END IN
Hub Style DesignatorPLAIN BOTH ENDS
Body StylePLAIN, SOLID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5330-00-298-3762 INTERCHANGEABLE
Gasket
5999-01-182-7210733868 INTERCHANGEABLE
Heat Sink,electrical-Electronic
Hamilton Sundstrand Corporation
Cross-Reference Index
Part NumberManufacturer
733868PC4 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
733868 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
5330-00-298-3762INTERCHANGEABLE
GASKET
5999-01-182-7210INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
733868

Frequently Asked Questions

What is NSN 3020-00-210-1778?

NSN 3020-00-210-1778 is a Gear,spur, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-210-1778?

NSN 3020-00-210-1778 has 2 cross-referenced part numbers: 733868PC4 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 733868 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 3020-00-210-1778?

There are 2 known substitutes for 3020-00-210-1778: 5330-00-298-3762, 5999-01-182-7210. Verify interchangeability with system specifications before substitution.

What are the specifications of 733868PC4?

Key specifications for 733868PC4: Hub Nominal Diameter: 3.000 INCHES BOTH ENDS IN; Teeth Quantity: 64; Spline Quantity: 36 BOTH ENDS; Nominal Outside Diameter: 4.125 INCHES IN. 16 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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