PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

103910Gear,spur

Astronautics Corporation of America · NSN 3020-00-130-9525 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-130-9525 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-130-9525. Primary manufacturer part number: 103910.
Features
  • Gear,spur — FSC 3020
  • Pitch Diameter: 1.0420 INCHES NOMINAL IN
  • Attachment Method: MOUNTING HOLE
  • Body Style: PLAIN, SOLID
  • Surface Treatment: PASSIVATE OVERALL
  • Material Document and Classification: MIL-S-7720,COMP 303,COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Bore Nominal Diameter: 0.090 INCHES BOTH ENDS IN
  • First Groove Nominal Width: 0.204 INCHES FIRST END IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-130-9525, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Astronautics Corporation of America. Government technical data includes 19 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
NSN3020-00-130-9525
Primary Part Number103910
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerAstronautics Corporation of America
StatusACTIVE
Pitch Diameter1.0420 INCHES NOMINAL IN
Attachment MethodMOUNTING HOLE
Body StylePLAIN, SOLID
Surface TreatmentPASSIVATE OVERALL
Material Document and ClassificationMIL-S-7720,COMP 303,COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Bore Nominal Diameter0.090 INCHES BOTH ENDS IN
First Groove Nominal Width0.204 INCHES FIRST END IN
Style DesignatorPROTRUDING HUB
Face Nominal Width0.060 INCHES IN
Bore StylePLAIN BOTH ENDS
First Groove Nominal Diameter0.187 INCHES FIRST END IN
MaterialSTEEL COMP 303 OVERALL
Nominal Distance Between Body Face and Protruding Hub End0.340 INCHES FIRST END IN
Nominal Outside Diameter1.062 INCHES IN
Pressure Angle20.0000 DEGREES
Hub Nominal Diameter0.250 INCHES FIRST END IN
Nominal Distance From End to First Groove0.136 INCHES FIRST END IN
Teeth Quantity100
Hub Style Designator1 GROOVE FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5340-00-190-9078103910 INTERCHANGEABLE
Lever,manual Control
Allianz Sweeper Company
3010-00-327-165563729 INTERCHANGEABLE
Coupling,shaft,flexible
Aesys Technologies, L.l.c. Dba Jackson & Church Hvac Global Div York Shipley Global
4320-01-117-0139 INTERCHANGEABLE
Parts Kit,hydraulic Pump
6150-01-292-9010 INTERCHANGEABLE
Cable Assembly,special Purpose,e
5340-01-727-2303586917 INTERCHANGEABLE
Strap,elastic
Hobby Lobby Stores, Inc. Dba Hobby Lobby
Cross-Reference Index
Part NumberManufacturer
103910 PRIMARY Astronautics Corporation of America (USA)
Related Parts
5340-00-190-9078INTERCHANGEABLE
LEVER,MANUAL CONTROL
103910
3010-00-327-1655INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
63729
4320-01-117-0139INTERCHANGEABLE
PARTS KIT,HYDRAULIC PUMP
6150-01-292-9010INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
5340-01-727-2303INTERCHANGEABLE
STRAP,ELASTIC
586917

Frequently Asked Questions

What is NSN 3020-00-130-9525?

NSN 3020-00-130-9525 is a Gear,spur, manufactured by Astronautics Corporation of America, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-130-9525?

NSN 3020-00-130-9525 has 1 cross-referenced part number: 103910 (Astronautics Corporation of America).

What NSN replaces 3020-00-130-9525?

There are 5 known substitutes for 3020-00-130-9525: 5340-00-190-9078, 3010-00-327-1655, 4320-01-117-0139 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 103910?

Key specifications for 103910: Pitch Diameter: 1.0420 INCHES NOMINAL IN; Attachment Method: MOUNTING HOLE; Body Style: PLAIN, SOLID; Surface Treatment: PASSIVATE OVERALL. 20 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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