PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1021094Gear,spur

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 3020-00-320-1004 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-320-1004 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-320-1004. Primary manufacturer part number: 1021094.
Features
  • Gear,spur — FSC 3020
  • First Step Nominal Diameter: 0.875 INCHES FIRST END IN
  • Counterbore Nominal Depth: 0.061 INCHES BOTH ENDS IN
  • Pitch Diameter: 1.1875 INCHES NOMINAL IN
  • Body Style: PLAIN, SOLID
  • Style Designator: PROTRUDING HUB
  • End Nominal Length: 0.136 INCHES FIRST END IN
  • First Step Nominal Length: 0.125 INCHES FIRST END 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 3020-00-320-1004, 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 20 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
NSN3020-00-320-1004
Primary Part Number1021094
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
First Step Nominal Diameter0.875 INCHES FIRST END IN
Counterbore Nominal Depth0.061 INCHES BOTH ENDS IN
Pitch Diameter1.1875 INCHES NOMINAL IN
Body StylePLAIN, SOLID
Style DesignatorPROTRUDING HUB
End Nominal Length0.136 INCHES FIRST END IN
First Step Nominal Length0.125 INCHES FIRST END IN
Teeth Quantity76
Counterbore Nominal Diameter0.625 INCHES FIRST END IN
MaterialCOPPER ALLOY OVERALL
Face Nominal Width0.094 INCHES IN
Tooth FormSTANDARD
Nominal Distance Between Body Face and Protruding Hub End0.322 INCHES FIRST END IN
Bore Nominal Diameter0.187 INCHES BOTH ENDS IN
Nominal Outside Diameter1.219 INCHES IN
End Nominal Diameter0.265 INCHES FIRST END IN
Nominal Overall Length0.416 INCHES IN
Pressure Angle14.5000 DEGREES
Bore StyleW/COUNTERBORE BOTH ENDS
Hub Style Designator1 STEP FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4730-00-968-55780503-8-6 INTERCHANGEABLE
Adapter,straight,tube to Boss
Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division
Cross-Reference Index
Part NumberManufacturer
1021094 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
4730-00-968-5578INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO BOSS
0503-8-6

Frequently Asked Questions

What is NSN 3020-00-320-1004?

NSN 3020-00-320-1004 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 3020-00-320-1004?

NSN 3020-00-320-1004 has 1 cross-referenced part number: 1021094 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 3020-00-320-1004?

There is 1 known substitute for 3020-00-320-1004: 4730-00-968-5578. Verify interchangeability with system specifications before substitution.

What are the specifications of 1021094?

Key specifications for 1021094: First Step Nominal Diameter: 0.875 INCHES FIRST END IN; Counterbore Nominal Depth: 0.061 INCHES BOTH ENDS IN; Pitch Diameter: 1.1875 INCHES NOMINAL IN; Body Style: PLAIN, SOLID. 20 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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