PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

121114Gear,spur

Astronautics Corporation of America · NSN 3020-01-012-6552 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-012-6552 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-012-6552. Primary manufacturer part number: 121114.
Features
  • Gear,spur — FSC 3020
  • End Nominal Length: 0.4820 INCHES SECOND END IN
  • Style Designator: PROTRUDING HUBS
  • Hub Style Designator: 1 STEP SECOND END
  • Material Document and Classification: QQ-B-750,COMP B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • First Step Nominal Diameter: 0.1870 INCHES SECOND END IN
  • First Step Nominal Length: 0.0080 INCHES SECOND END IN
  • End Nominal Diameter: 0.1243 INCHES FIRST END IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Copper Alloy Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-01-012-6552, 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 24 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-012-6552
Primary Part Number121114
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerAstronautics Corporation of America
StatusACTIVE
End Nominal Length0.4820 INCHES SECOND END IN
Style DesignatorPROTRUDING HUBS
Hub Style Designator1 STEP SECOND END
Material Document and ClassificationQQ-B-750,COMP B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
First Step Nominal Diameter0.1870 INCHES SECOND END IN
First Step Nominal Length0.0080 INCHES SECOND END IN
End Nominal Diameter0.1243 INCHES FIRST END IN
Face Nominal Width0.052 INCHES IN
Hub Style Designator2 STEPS FIRST END
End Nominal Diameter0.1243 INCHES SECOND END IN
Nominal Distance Between Body Face and Protruding Hub End0.7680 INCHES FIRST END IN
Nominal Distance Between Body Face and Protruding Hub End0.4900 INCHES SECOND END IN
First Step Nominal Diameter0.1870 INCHES FIRST END IN
Nominal Outside Diameter0.4166 INCHES IN
Pressure Angle20.0000 DEGREES
First Step Nominal Length0.0400 INCHES FIRST END IN
End Nominal Length0.0900 INCHES FIRST END IN
MaterialCOPPER ALLOY OVERALL
Pitch Diameter0.3333 INCHES NOMINAL IN
Tooth FormSTANDARD
Body StylePLAIN, SOLID
Second Step Nominal Diameter0.1250 INCHES FIRST END IN
Second Step Nominal Length0.6380 INCHES FIRST END IN
Teeth Quantity8
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6210-00-243-4177 INTERCHANGEABLE
Light,indicator
5930-00-933-7075 INTERCHANGEABLE
Boot,dust and Moisture Seal
4470-01-351-3437 INTERCHANGEABLE
Ir Drawer
Cross-Reference Index
Part NumberManufacturer
121114 PRIMARY Astronautics Corporation of America (USA)
Related Parts
6210-00-243-4177INTERCHANGEABLE
LIGHT,INDICATOR
5930-00-933-7075INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
4470-01-351-3437INTERCHANGEABLE
IR DRAWER

Frequently Asked Questions

What is NSN 3020-01-012-6552?

NSN 3020-01-012-6552 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 3020-01-012-6552?

NSN 3020-01-012-6552 has 1 cross-referenced part number: 121114 (Astronautics Corporation of America).

What NSN replaces 3020-01-012-6552?

There are 3 known substitutes for 3020-01-012-6552: 6210-00-243-4177, 5930-00-933-7075, 4470-01-351-3437. Verify interchangeability with system specifications before substitution.

What are the specifications of 121114?

Key specifications for 121114: End Nominal Length: 0.4820 INCHES SECOND END IN; Style Designator: PROTRUDING HUBS; Hub Style Designator: 1 STEP SECOND END; Material Document and Classification: QQ-B-750,COMP B FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 24 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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