PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40826Gear,spur

L3harris Technologies, Inc Div Space & Airborne Systems · NSN 3020-00-287-6748 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-287-6748 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-287-6748. Primary manufacturer part number: 40826.
Features
  • Gear,spur — FSC 3020
  • Pressure Angle: 14.5000 DEGREES
  • Pitch Diameter: 3.0000 INCHES NOMINAL IN
  • Face Nominal Width: 0.250 INCHES IN
  • Teeth Quantity: 72
  • Bore Style: W/COUNTERBORE COUNTERBORE FIRST END
  • End Nominal Diameter: 0.688 INCHES FIRST END IN
  • Hub Style Designator: 1 STEP FIRST END
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-287-6748, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is L3harris Technologies, Inc Div Space & Airborne Systems. 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-287-6748
Primary Part Number40826
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerL3harris Technologies, Inc Div Space & Airborne Systems
StatusACTIVE
Pressure Angle14.5000 DEGREES
Pitch Diameter3.0000 INCHES NOMINAL IN
Face Nominal Width0.250 INCHES IN
Teeth Quantity72
Bore StyleW/COUNTERBORE COUNTERBORE FIRST END
End Nominal Diameter0.688 INCHES FIRST END IN
Hub Style Designator1 STEP FIRST END
MaterialSTEEL OVERALL
Style DesignatorPROTRUDING HUB
Nominal Outside Diameter3.083 INCHES IN
Counterbore Nominal Diameter0.510 INCHES COUNTERBORE FIRST END IN
Nominal Distance Between Body Face and Protruding Hub End0.371 INCHES FIRST END IN
First Step Nominal Length0.062 INCHES FIRST END IN
Bore Nominal Diameter0.250 INCHES COUNTERBORE FIRST END IN
Body StylePLAIN, SOLID
Counterbore Nominal Depth0.153 INCHES COUNTERBORE FIRST END IN
First Step Nominal Diameter1.375 INCHES FIRST END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5120-00-243-7345 INTERCHANGEABLE
Socket,socket Wrench
5950-00-556-91381233289 INTERCHANGEABLE
Transformer,power Autotransforme
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3120-01-018-7290388793 INTERCHANGEABLE
Bushing,sleeve
Curtiss-Wright Electro-Mechanical Corporation Div Epd
5925-01-447-722040826 INTERCHANGEABLE
Circuit Breaker
Briskheat Corporation Dba Briskheat Corp
3120-01-479-809140826 INTERCHANGEABLE
Bearing,sleeve
Allied Systems Company Dba Allied Systems Co
Cross-Reference Index
Part NumberManufacturer
40826 PRIMARY L3harris Technologies, Inc Div Space & Airborne Systems (USA)
Related Parts
5120-00-243-7345INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5950-00-556-9138INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
1233289
3120-01-018-7290INTERCHANGEABLE
BUSHING,SLEEVE
388793
5925-01-447-7220INTERCHANGEABLE
CIRCUIT BREAKER
40826
3120-01-479-8091INTERCHANGEABLE
BEARING,SLEEVE
40826

Frequently Asked Questions

What is NSN 3020-00-287-6748?

NSN 3020-00-287-6748 is a Gear,spur, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-287-6748?

NSN 3020-00-287-6748 has 1 cross-referenced part number: 40826 (L3harris Technologies, Inc Div Space & Airborne Systems).

What NSN replaces 3020-00-287-6748?

There are 5 known substitutes for 3020-00-287-6748: 5120-00-243-7345, 5950-00-556-9138, 3120-01-018-7290 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40826?

Key specifications for 40826: Pressure Angle: 14.5000 DEGREES; Pitch Diameter: 3.0000 INCHES NOMINAL IN; Face Nominal Width: 0.250 INCHES IN; Teeth Quantity: 72. 17 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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