PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1028609Gear,spur

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 3020-00-054-4287 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-054-4287 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-054-4287. Primary manufacturer part number: 1028609.
Features
  • Gear,spur — FSC 3020
  • Pitch Diameter: 1.6875 INCHES NOMINAL IN
  • Nominal Distance Between Body Face and Protruding Hub End: 0.245 INCHES FIRST END IN
  • Tooth Form: STUB
  • Teeth Quantity: 162
  • Hub Nominal Diameter: 0.156 INCHES FIRST END IN
  • Nominal Overall Length: 0.315 INCHES IN
  • Material: ALUMINUM ALLOY 6061 OVERALL
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Aluminum Alloy 6061 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-054-4287, 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 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-054-4287
Primary Part Number1028609
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Pitch Diameter1.6875 INCHES NOMINAL IN
Nominal Distance Between Body Face and Protruding Hub End0.245 INCHES FIRST END IN
Tooth FormSTUB
Teeth Quantity162
Hub Nominal Diameter0.156 INCHES FIRST END IN
Nominal Overall Length0.315 INCHES IN
MaterialALUMINUM ALLOY 6061 OVERALL
Surface TreatmentANODIZE OVERALL
Pressure Angle20.0000 DEGREES
Precision ClassificationQUALITY NUMBER 10 OR QUALITY NUMBER 11
Nominal Outside Diameter1.707 INCHES IN
Bore Nominal Diameter0.125 INCHES BOTH ENDS IN
Body StylePLAIN, SOLID
Face Nominal Width0.065 INCHES IN
Material Document and ClassificationQQ-A-225/8,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Bore StylePLAIN BOTH ENDS
Style DesignatorPROTRUDING HUB
Hub Style DesignatorPLAIN FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5940-00-463-425541480 INTERCHANGEABLE
Terminal,quick Disconnect
Te Connectivity Corporation
5950-00-905-94784148-1 INTERCHANGEABLE
Reactor
L3harris Technologies, Inc. Div Space and Airborne Systems
4030-01-605-42531028609 INTERCHANGEABLE
Hook,hoist
The Crosby Group Llc Dba the Crosby Group
Cross-Reference Index
Part NumberManufacturer
41-481 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
1028609 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
5940-00-463-4255INTERCHANGEABLE
TERMINAL,QUICK DISCONNECT
41480
5950-00-905-9478INTERCHANGEABLE
REACTOR
4148-1
4030-01-605-4253INTERCHANGEABLE
HOOK,HOIST
1028609

Frequently Asked Questions

What is NSN 3020-00-054-4287?

NSN 3020-00-054-4287 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 3020-00-054-4287?

NSN 3020-00-054-4287 has 2 cross-referenced part numbers: 41-481 (Lockheed Martin Corporation Div Rms - Mitchel Field), 1028609 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 3020-00-054-4287?

There are 3 known substitutes for 3020-00-054-4287: 5940-00-463-4255, 5950-00-905-9478, 4030-01-605-4253. Verify interchangeability with system specifications before substitution.

What are the specifications of 1028609?

Key specifications for 1028609: Pitch Diameter: 1.6875 INCHES NOMINAL IN; Nominal Distance Between Body Face and Protruding Hub End: 0.245 INCHES FIRST END IN; Tooth Form: STUB; Teeth Quantity: 162. 18 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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