PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

113198Gear,spur

Bae Systems Information and Electronic Systems Integration Inc. · NSN 3020-00-909-2651 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-909-2651 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-909-2651. Primary manufacturer part number: 113198.
Features
  • Gear,spur — FSC 3020
  • Pitch Diameter: 1.2187 INCHES NOMINAL IN
  • Attachment Method: MOUNTING HOLE
  • Nominal Distance Between Body Face and Protruding Hub End: 0.3000 INCHES FIRST END IN
  • First Step Nominal Diameter: 0.4320 INCHES FIRST END IN
  • Material Document and Classification: MIL-B-5687,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE HUB
  • End Nominal Length: 0.2000 INCHES FIRST END IN
  • Style Designator: PROTRUDING HUB
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Copper Alloy Hub construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-909-2651, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Bae Systems Information and Electronic Systems Integration Inc.. Government technical data includes 27 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
NSN3020-00-909-2651
Primary Part Number113198
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerBae Systems Information and Electronic Systems Integration Inc.
StatusACTIVE
Pitch Diameter1.2187 INCHES NOMINAL IN
Attachment MethodMOUNTING HOLE
Nominal Distance Between Body Face and Protruding Hub End0.3000 INCHES FIRST END IN
First Step Nominal Diameter0.4320 INCHES FIRST END IN
Material Document and ClassificationMIL-B-5687,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE HUB
End Nominal Length0.2000 INCHES FIRST END IN
Style DesignatorPROTRUDING HUB
Material Document and ClassificationQQ-A-268,T4 FED SPEC SINGLE MATERIAL RESPONSE BODY
MaterialCOPPER ALLOY HUB
Second Step Nominal Diameter0.0550 INCHES FIRST END IN
MaterialALUMINUM ALLOY BODY
Hub Style Designator2 STEPS FIRST END
Mounting Hole Nominal Diameter0.036 INCHES AND 0.062 INCHES AXIALLY THROUGH BODY FIRST END IN
Face Nominal Width0.120 INCHES IN
Teeth Quantity78
Pressure Angle20.0000 DEGREES
Bolt Hole Circle Nominal Diameter0.640 INCHES AXIALLY THROUGH BODY FIRST END IN
Second Step Nominal Length0.0450 INCHES FIRST END IN
Bore StylePLAIN BOTH ENDS
Tooth FormSTANDARD
Precision ClassificationQUALITY NUMBER 10
Bore Nominal Diameter0.2507 INCHES BOTH ENDS IN
End Nominal Diameter0.3630 INCHES FIRST END IN
Mounting Hole Type and Quantity2 PLAIN AXIALLY THROUGH BODY FIRST END
Nominal Outside Diameter1.2500 INCHES IN
First Step Nominal Length0.0550 INCHES FIRST END IN
Body StylePLAIN, SOLID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5340-00-572-5523113198 INTERCHANGEABLE
Seat,helical Compression Spring
Hydro-Aire Aerospace Corp
5310-00-579-5554MS35333-35 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
113198 PRIMARY Bae Systems Information and Electronic Systems Integration Inc. (USA)
Related Parts
5340-00-572-5523INTERCHANGEABLE
SEAT,HELICAL COMPRESSION SPRING
113198
5310-00-579-5554INTERCHANGEABLE
WASHER,LOCK
MS35333-35

Frequently Asked Questions

What is NSN 3020-00-909-2651?

NSN 3020-00-909-2651 is a Gear,spur, manufactured by Bae Systems Information and Electronic Systems Integration Inc., classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-909-2651?

NSN 3020-00-909-2651 has 1 cross-referenced part number: 113198 (Bae Systems Information and Electronic Systems Integration Inc.).

What NSN replaces 3020-00-909-2651?

There are 2 known substitutes for 3020-00-909-2651: 5340-00-572-5523, 5310-00-579-5554. Verify interchangeability with system specifications before substitution.

What are the specifications of 113198?

Key specifications for 113198: Pitch Diameter: 1.2187 INCHES NOMINAL IN; Attachment Method: MOUNTING HOLE; Nominal Distance Between Body Face and Protruding Hub End: 0.3000 INCHES FIRST END IN; First Step Nominal Diameter: 0.4320 INCHES FIRST END IN. 27 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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