PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

623529Gear,spur

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp · NSN 3020-00-060-2956 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-060-2956 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-060-2956. Primary manufacturer part number: 623529.
Features
  • Gear,spur — FSC 3020
  • Attachment Method: CLAMP
  • Nominal Distance Between Body Face and Protruding Hub End: 0.207 INCHES FIRST END IN
  • Bore Nominal Diameter: 0.094 INCHES BOTH ENDS IN
  • Teeth Quantity: 105
  • Pitch Diameter: 0.8750 INCHES NOMINAL IN
  • Nominal Outside Diameter: 0.891 INCHES IN
  • Style Designator: PROTRUDING HUB
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Aluminum Alloy Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-060-2956, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 16 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
NSN3020-00-060-2956
Primary Part Number623529
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
StatusACTIVE
Attachment MethodCLAMP
Nominal Distance Between Body Face and Protruding Hub End0.207 INCHES FIRST END IN
Bore Nominal Diameter0.094 INCHES BOTH ENDS IN
Teeth Quantity105
Pitch Diameter0.8750 INCHES NOMINAL IN
Nominal Outside Diameter0.891 INCHES IN
Style DesignatorPROTRUDING HUB
Pressure Angle20.0000 DEGREES
MaterialALUMINUM ALLOY OVERALL
Bore StylePLAIN BOTH ENDS
Surface TreatmentANODIZE OVERALL
Face Nominal Width0.063 INCHES IN
Hub Nominal Diameter0.141 INCHES FIRST END IN
Surface Treatment Document and ClassificationMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Hub Style DesignatorSPLIT FIRST END
Body StylePLAIN, SOLID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6635-01-117-7746628556 INTERCHANGEABLE
Magnetic Inspection Unit,portabl
Illinois Tool Works, Inc. Div Magnaflux
Cross-Reference Index
Part NumberManufacturer
623529 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
Related Parts
6635-01-117-7746INTERCHANGEABLE
MAGNETIC INSPECTION UNIT,PORTABL
628556

Frequently Asked Questions

What is NSN 3020-00-060-2956?

NSN 3020-00-060-2956 is a Gear,spur, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-060-2956?

NSN 3020-00-060-2956 has 1 cross-referenced part number: 623529 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).

What NSN replaces 3020-00-060-2956?

There is 1 known substitute for 3020-00-060-2956: 6635-01-117-7746. Verify interchangeability with system specifications before substitution.

What are the specifications of 623529?

Key specifications for 623529: Attachment Method: CLAMP; Nominal Distance Between Body Face and Protruding Hub End: 0.207 INCHES FIRST END IN; Bore Nominal Diameter: 0.094 INCHES BOTH ENDS IN; Teeth Quantity: 105. 16 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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