PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

646149Gear,spur

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 3020-00-382-2838 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-382-2838 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-382-2838. Primary manufacturer part number: 646149.
Features
  • Gear,spur — FSC 3020
  • Bore Nominal Diameter: 0.221 INCHES BOTH ENDS IN
  • Material Document and Classification: FED-STD-66 FED STD SINGLE MATERIAL RESPONSE HUB
  • Surface Treatment: PASSIVATE OVERALL
  • Nominal Distance Between Body Face and Protruding Hub End: 0.221 INCHES FIRST END IN
  • Bore Style: PLAIN BOTH ENDS
  • Tooth Form: STANDARD
  • Hub Style Designator: PINNED FIRST END
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 301 Body construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-382-2838, 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 1 commercial cross-reference 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
NSN3020-00-382-2838
Primary Part Number646149
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Bore Nominal Diameter0.221 INCHES BOTH ENDS IN
Material Document and ClassificationFED-STD-66 FED STD SINGLE MATERIAL RESPONSE HUB
Surface TreatmentPASSIVATE OVERALL
Nominal Distance Between Body Face and Protruding Hub End0.221 INCHES FIRST END IN
Bore StylePLAIN BOTH ENDS
Tooth FormSTANDARD
Hub Style DesignatorPINNED FIRST END
Face Nominal Width0.115 INCHES IN
Nominal Outside Diameter1.6875 INCHES IN
MaterialSTEEL COMP 301 BODY
Style DesignatorPROTRUDING HUB
Pressure Angle14.5000 DEGREES
Hub Nominal Diameter0.4375 INCHES FIRST END IN
Material Document and ClassificationFED-STD-66 FED STD SINGLE MATERIAL RESPONSE BODY
MaterialSTEEL COMP 303 HUB
Pitch Diameter1.6200 INCHES NOMINAL IN
Teeth Quantity52
Body StylePLAIN, WITH LIGHTENING HOLES
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3120-00-478-8672 INTERCHANGEABLE
Bearing Half,sleeve
1680-00-785-5425646149 INTERCHANGEABLE
Flange,output
Goodrich Corporation Dba Goodrich Corp
Cross-Reference Index
Part NumberManufacturer
646149 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
3120-00-478-8672INTERCHANGEABLE
BEARING HALF,SLEEVE
1680-00-785-5425INTERCHANGEABLE
FLANGE,OUTPUT
646149

Frequently Asked Questions

What is NSN 3020-00-382-2838?

NSN 3020-00-382-2838 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 3020-00-382-2838?

NSN 3020-00-382-2838 has 1 cross-referenced part number: 646149 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 3020-00-382-2838?

There are 2 known substitutes for 3020-00-382-2838: 3120-00-478-8672, 1680-00-785-5425. Verify interchangeability with system specifications before substitution.

What are the specifications of 646149?

Key specifications for 646149: Bore Nominal Diameter: 0.221 INCHES BOTH ENDS IN; Material Document and Classification: FED-STD-66 FED STD SINGLE MATERIAL RESPONSE HUB; Surface Treatment: PASSIVATE OVERALL; Nominal Distance Between Body Face and Protruding Hub End: 0.221 INCHES FIRST END IN. 19 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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