PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

778-0350-001Gear,spur

Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems · NSN 3020-01-075-9203 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-075-9203 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-075-9203. Primary manufacturer part number: 778-0350-001.
Features
  • Gear,spur — FSC 3020
  • Mounting Hole Thread Quantity Per Inch: 80 AXIALLY THROUGH HUB FIRST END
  • Bore Style: PLAIN BOTH ENDS
  • Material: ALUMINUM ALLOY 7075 OVERALL
  • Nominal Overall Length: 0.265 INCHES IN
  • Face Nominal Width: 0.045 INCHES IN
  • End Nominal Length: 0.008 INCHES FIRST END IN
  • Material Document and Classification: QQ-A-225/9,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Aluminum Alloy 7075 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-01-075-9203, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. Government technical data includes 27 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
NSN3020-01-075-9203
Primary Part Number778-0350-001
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerRockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
StatusACTIVE
Mounting Hole Thread Quantity Per Inch80 AXIALLY THROUGH HUB FIRST END
Bore StylePLAIN BOTH ENDS
MaterialALUMINUM ALLOY 7075 OVERALL
Nominal Overall Length0.265 INCHES IN
Face Nominal Width0.045 INCHES IN
End Nominal Length0.008 INCHES FIRST END IN
Material Document and ClassificationQQ-A-225/9,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
First Step Nominal Length0.008 INCHES FIRST END IN
Mounting Hole Thread Series DesignatorUNF AXIALLY THROUGH HUB FIRST END
Hub Nominal Diameter0.130 INCHES SECOND END IN
Mounting Hole Nominal Thread Size0.060 INCHES AXIALLY THROUGH HUB FIRST END IN
First Step Nominal Diameter0.250 INCHES FIRST END IN
Hub Style DesignatorPLAIN SECOND END
Bore Nominal Diameter0.094 INCHES BOTH ENDS IN
Nominal Distance Between Body Face and Protruding Hub End0.010 INCHES SECOND END IN
Mounting Hole Type and Quantity1 THREADED AXIALLY THROUGH HUB FIRST END
Body StylePLAIN, SOLID
Teeth Quantity35
Attachment MethodMOUNTING HOLE
Pitch Diameter0.4295 INCHES MINIMUM AND 0.4455 INCHES MAXIMUM IN
Style DesignatorPROTRUDING HUBS
End Nominal Diameter0.130 INCHES FIRST END IN
Nominal Distance Between Body Face and Protruding Hub End0.210 INCHES FIRST END IN
Hub Style Designator1 STEP FIRST END
Nominal Outside Diameter0.462 INCHES IN
Tooth FormSTUB
Pressure Angle20.0000 DEGREES
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5961-00-237-1254 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
778-0350-001 PRIMARY Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
Related Parts
5961-00-237-1254INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 3020-01-075-9203?

NSN 3020-01-075-9203 is a Gear,spur, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-075-9203?

NSN 3020-01-075-9203 has 1 cross-referenced part number: 778-0350-001 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).

What NSN replaces 3020-01-075-9203?

There is 1 known substitute for 3020-01-075-9203: 5961-00-237-1254. Verify interchangeability with system specifications before substitution.

What are the specifications of 778-0350-001?

Key specifications for 778-0350-001: Mounting Hole Thread Quantity Per Inch: 80 AXIALLY THROUGH HUB FIRST END; Bore Style: PLAIN BOTH ENDS; Material: ALUMINUM ALLOY 7075 OVERALL; Nominal Overall Length: 0.265 INCHES IN. 27 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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