PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1021093Gear,spur

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 3020-00-320-1003 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-320-1003 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-320-1003. Primary manufacturer part number: 1021093.
Features
  • Gear,spur — FSC 3020
  • Pitch Diameter: 1.3750 INCHES NOMINAL IN
  • Teeth Quantity: 88
  • Body Style: PLAIN, SOLID
  • Nominal Distance Between Body Face and Protruding Hub End: 0.140 INCHES FIRST END IN
  • Style Designator: PROTRUDING HUBS
  • Bore Nominal Diameter: 0.187 INCHES BOTH ENDS IN
  • Face Nominal Width: 0.094 INCHES IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Copper Alloy Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-320-1003, 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 17 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
NSN3020-00-320-1003
Primary Part Number1021093
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Pitch Diameter1.3750 INCHES NOMINAL IN
Teeth Quantity88
Body StylePLAIN, SOLID
Nominal Distance Between Body Face and Protruding Hub End0.140 INCHES FIRST END IN
Style DesignatorPROTRUDING HUBS
Bore Nominal Diameter0.187 INCHES BOTH ENDS IN
Face Nominal Width0.094 INCHES IN
Hub Nominal Diameter0.265 INCHES SECOND END IN
Nominal Overall Length0.421 INCHES IN
Bore StyleW/COUNTERBORE BOTH ENDS
Hub Style DesignatorPLAIN BOTH ENDS
MaterialCOPPER ALLOY OVERALL
Nominal Distance Between Body Face and Protruding Hub End0.188 INCHES SECOND END IN
Nominal Outside Diameter1.406 INCHES IN
Counterbore Nominal Depth0.066 INCHES BOTH ENDS IN
Pressure Angle14.5000 DEGREES
Tooth FormSTANDARD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4730-00-710-5571 INTERCHANGEABLE
Adapter,straight,tube to Boss
Cross-Reference Index
Part NumberManufacturer
1021093 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
4730-00-710-5571INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO BOSS

Frequently Asked Questions

What is NSN 3020-00-320-1003?

NSN 3020-00-320-1003 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 3020-00-320-1003?

NSN 3020-00-320-1003 has 1 cross-referenced part number: 1021093 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 3020-00-320-1003?

There is 1 known substitute for 3020-00-320-1003: 4730-00-710-5571. Verify interchangeability with system specifications before substitution.

What are the specifications of 1021093?

Key specifications for 1021093: Pitch Diameter: 1.3750 INCHES NOMINAL IN; Teeth Quantity: 88; Body Style: PLAIN, SOLID; Nominal Distance Between Body Face and Protruding Hub End: 0.140 INCHES FIRST END IN. 17 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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