PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

450115Gear,spur

Bae Systems Information and Electronic Systems Integration Inc. · NSN 3020-00-903-2153 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-903-2153 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-903-2153. Primary manufacturer part number: 450115.
Features
  • Gear,spur — FSC 3020
  • Teeth Quantity: 33
  • Pitch Diameter: 0.6870 INCHES NOMINAL IN
  • Bore Nominal Diameter: 0.250 INCHES BOTH ENDS IN
  • Nominal Distance Between Body Face and Protruding Hub End: 0.160 INCHES FIRST END IN
  • Style Designator: PROTRUDING HUB
  • Surface Treatment: PASSIVATE OVERALL
  • Hub Nominal Diameter: 0.500 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 3020-00-903-2153, 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 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-903-2153
Primary Part Number450115
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerBae Systems Information and Electronic Systems Integration Inc.
StatusACTIVE
Teeth Quantity33
Pitch Diameter0.6870 INCHES NOMINAL IN
Bore Nominal Diameter0.250 INCHES BOTH ENDS IN
Nominal Distance Between Body Face and Protruding Hub End0.160 INCHES FIRST END IN
Style DesignatorPROTRUDING HUB
Surface TreatmentPASSIVATE OVERALL
Hub Nominal Diameter0.500 INCHES FIRST END IN
Hub Style DesignatorPINNED FIRST END
Nominal Outside Diameter0.728 INCHES IN
Material Document and ClassificationQQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Tooth FormSTANDARD
Pressure Angle20.0000 DEGREES
Face Nominal Width0.180 INCHES IN
Bore StylePLAIN BOTH ENDS
Precision ClassificationQUALITY NUMBER 11
Body StylePLAIN, SOLID
MaterialSTEEL COMP 303 OVERALL
Backlash DesignationGRADE C
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3020-00-050-4971B68S20 INTERCHANGEABLE
Gear,spur
Designatronics Inc Perfect Gear and Instrument Div
3020-00-825-6313154-84 INTERCHANGEABLE
Gear,spur
Southern Gear & Machine Inc
3020-00-903-5829450115-35 INTERCHANGEABLE
Gear,spur
Bae Systems Information and Electronic Systems Integration Inc.
3020-00-940-8618450115-22 INTERCHANGEABLE
Gear,spur
Bae Systems Information and Electronic Systems Integration Inc.
Cross-Reference Index
Part NumberManufacturer
450115 Bae Systems Information and Electronic Systems Integration Inc. (USA)
450115-31 Bae Systems Information and Electronic Systems Integration Inc. (USA)
Related Parts
3020-00-050-4971INTERCHANGEABLE
GEAR,SPUR
B68S20
3020-00-825-6313INTERCHANGEABLE
GEAR,SPUR
154-84
3020-00-903-5829INTERCHANGEABLE
GEAR,SPUR
450115-35
3020-00-940-8618INTERCHANGEABLE
GEAR,SPUR
450115-22

Frequently Asked Questions

What is NSN 3020-00-903-2153?

NSN 3020-00-903-2153 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 3020-00-903-2153?

NSN 3020-00-903-2153 has 2 cross-referenced part numbers: 450115 (Bae Systems Information and Electronic Systems Integration Inc.), 450115-31 (Bae Systems Information and Electronic Systems Integration Inc.).

What NSN replaces 3020-00-903-2153?

There are 4 known substitutes for 3020-00-903-2153: 3020-00-050-4971, 3020-00-825-6313, 3020-00-903-5829 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 450115?

Key specifications for 450115: Teeth Quantity: 33; Pitch Diameter: 0.6870 INCHES NOMINAL IN; Bore Nominal Diameter: 0.250 INCHES BOTH ENDS IN; Nominal Distance Between Body Face and Protruding Hub End: 0.160 INCHES FIRST END IN. 18 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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