PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

104563-1Gear,spur

Continental Electronics Corp · NSN 3020-00-401-3978 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-401-3978 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-401-3978. Primary manufacturer part number: 104563-1.
Features
  • Gear,spur — FSC 3020
  • Teeth Quantity: 80
  • Nominal Distance From Bore Center to Keyway Bottom: 0.312 INCHES BOTH ENDS IN
  • Style Designator: PROTRUDING HUB
  • Tooth Form: STANDARD
  • Nominal Outside Diameter: 1.708 INCHES IN
  • Face Nominal Width: 0.125 INCHES IN
  • Hub Style Designator: PINNED FIRST END
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Aluminum Alloy 2024 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-401-3978, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Continental Electronics Corp. 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-401-3978
Primary Part Number104563-1
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerContinental Electronics Corp
StatusACTIVE
Teeth Quantity80
Nominal Distance From Bore Center to Keyway Bottom0.312 INCHES BOTH ENDS IN
Style DesignatorPROTRUDING HUB
Tooth FormSTANDARD
Nominal Outside Diameter1.708 INCHES IN
Face Nominal Width0.125 INCHES IN
Hub Style DesignatorPINNED FIRST END
Bore StyleW/ KEYWAY BOTH ENDS
Pressure Angle20.0000 DEGREES
Bore Nominal Diameter0.500 INCHES BOTH ENDS IN
MaterialALUMINUM ALLOY 2024 OVERALL
Material Document and ClassificationQQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Nominal Distance Between Body Face and Protruding Hub End0.250 INCHES FIRST END IN
Keyway Nominal Width0.125 INCHES BOTH ENDS IN
Precision ClassificationQUALITY NUMBER 10
Pitch Diameter1.6666 INCHES NOMINAL IN
Body StylePLAIN, SOLID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4730-00-104-739327910-2 INTERCHANGEABLE
Nozzle,spray,fluid-Emulsion
Collins Engine Nozzles, Inc
5840-00-972-3106104563 INTERCHANGEABLE
Electronic Assembly
L3harris Technologies, Inc Div Space & Airborne Systems
Cross-Reference Index
Part NumberManufacturer
104563-1 PRIMARY Continental Electronics Corp (USA)
Related Parts
4730-00-104-7393INTERCHANGEABLE
NOZZLE,SPRAY,FLUID-EMULSION
27910-2
5840-00-972-3106INTERCHANGEABLE
ELECTRONIC ASSEMBLY
104563

Frequently Asked Questions

What is NSN 3020-00-401-3978?

NSN 3020-00-401-3978 is a Gear,spur, manufactured by Continental Electronics Corp, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-401-3978?

NSN 3020-00-401-3978 has 1 cross-referenced part number: 104563-1 (Continental Electronics Corp).

What NSN replaces 3020-00-401-3978?

There are 2 known substitutes for 3020-00-401-3978: 4730-00-104-7393, 5840-00-972-3106. Verify interchangeability with system specifications before substitution.

What are the specifications of 104563-1?

Key specifications for 104563-1: Teeth Quantity: 80; Nominal Distance From Bore Center to Keyway Bottom: 0.312 INCHES BOTH ENDS IN; Style Designator: PROTRUDING HUB; Tooth Form: STANDARD. 17 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com