PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

654876Gear,spur

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 3020-00-273-3734 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-273-3734 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-273-3734. Primary manufacturer part number: 654876.
Features
  • Gear,spur — FSC 3020
  • Pitch Diameter: 2.3730 INCHES MINIMUM AND 2.3750 INCHES MAXIMUM IN
  • Body Style: PLAIN, SOLID
  • Hub Style Designator: PLAIN FIRST END
  • Material: COPPER ALLOY 670 OVERALL
  • Nominal Distance Between Body Face and Protruding Hub End: 0.250 INCHES FIRST END IN
  • Style Designator: PROTRUDING HUB
  • Pressure Angle: 14.5000 DEGREES
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Copper Alloy 670 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-273-3734, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN3020-00-273-3734
Primary Part Number654876
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Pitch Diameter2.3730 INCHES MINIMUM AND 2.3750 INCHES MAXIMUM IN
Body StylePLAIN, SOLID
Hub Style DesignatorPLAIN FIRST END
MaterialCOPPER ALLOY 670 OVERALL
Nominal Distance Between Body Face and Protruding Hub End0.250 INCHES FIRST END IN
Style DesignatorPROTRUDING HUB
Pressure Angle14.5000 DEGREES
Nominal Outside Diameter2.405 INCHES IN
Face Nominal Width0.125 INCHES IN
Hub Nominal Diameter0.500 INCHES FIRST END IN
Material Document and ClassificationQQ-B-721,CLASS R-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Bore StylePLAIN BOTH ENDS
Bore Nominal Diameter0.378 INCHES BOTH ENDS IN
Teeth Quantity152
Tooth FormSTANDARD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3110-00-100-981202475 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
Cross-Reference Index
Part NumberManufacturer
654876 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
3110-00-100-9812INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
02475

Frequently Asked Questions

What is NSN 3020-00-273-3734?

NSN 3020-00-273-3734 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 3020-00-273-3734?

NSN 3020-00-273-3734 has 1 cross-referenced part number: 654876 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 3020-00-273-3734?

There is 1 known substitute for 3020-00-273-3734: 3110-00-100-9812. Verify interchangeability with system specifications before substitution.

What are the specifications of 654876?

Key specifications for 654876: Pitch Diameter: 2.3730 INCHES MINIMUM AND 2.3750 INCHES MAXIMUM IN; Body Style: PLAIN, SOLID; Hub Style Designator: PLAIN FIRST END; Material: COPPER ALLOY 670 OVERALL. 15 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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