PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

209103Gear,spur

Moog Inc · NSN 3020-00-518-4547 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-518-4547 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-518-4547. Primary manufacturer part number: 209103.
Features
  • Gear,spur — FSC 3020
  • Body Style: PLAIN, SOLID
  • Bore Nominal Diameter: 0.5152 INCHES BOTH ENDS IN
  • Hub Nominal Diameter: 0.250 INCHES FIRST END IN
  • Material: STEEL COMP 416 OVERALL
  • Precision Classification: QUALITY NUMBER 14
  • Bore Style: PLAIN BOTH ENDS
  • Hub Style Designator: PLAIN FIRST END
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 416 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-518-4547, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Moog Inc. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, 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
NSN3020-00-518-4547
Primary Part Number209103
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerMoog Inc
StatusACTIVE
Body StylePLAIN, SOLID
Bore Nominal Diameter0.5152 INCHES BOTH ENDS IN
Hub Nominal Diameter0.250 INCHES FIRST END IN
MaterialSTEEL COMP 416 OVERALL
Precision ClassificationQUALITY NUMBER 14
Bore StylePLAIN BOTH ENDS
Hub Style DesignatorPLAIN FIRST END
Backlash DesignationGRADE B
Hardness Rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
Nominal Distance Between Body Face and Protruding Hub End0.120 INCHES FIRST END IN
Face Nominal Width0.098 INCHES IN
Pitch Diameter0.5000 INCHES NOMINAL IN
Style DesignatorPROTRUDING HUB
Pressure Angle20.0000 DEGREES
Teeth Quantity60
Nominal Outside Diameter0.5159 INCHES IN
Tooth FormSTUB
Material Document and ClassificationQQ-S-763,COND T FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
2815-00-073-814774376497 INTERCHANGEABLE
Lock,valve Spring Retainer
Agco Corp Parts Opn
5310-01-378-8453209103 INTERCHANGEABLE
Washer,flat
Eaton Corp Dba Eaton Aerospace Jackson
6660-01-442-888220-9103 INTERCHANGEABLE
Theodolite,meteorological
Warren Industries Inc Dba Warren Industries Inc Div Warren-Knight Instrument Co. and N. Amer. Survey Supply Co.
Cross-Reference Index
Part NumberManufacturer
209103 Meggitt (new Hampshire), Inc (USA)
209103 Moog Inc. Dba Moog Components Group (USA)
209103 PRIMARY Moog Inc (USA)
209103 Moog Inc. (USA)
Related Parts
2815-00-073-8147INTERCHANGEABLE
LOCK,VALVE SPRING RETAINER
74376497
5310-01-378-8453INTERCHANGEABLE
WASHER,FLAT
209103
6660-01-442-8882INTERCHANGEABLE
THEODOLITE,METEOROLOGICAL
20-9103

Frequently Asked Questions

What is NSN 3020-00-518-4547?

NSN 3020-00-518-4547 is a Gear,spur, manufactured by Moog Inc, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-518-4547?

NSN 3020-00-518-4547 has 4 cross-referenced part numbers: 209103 (Meggitt (new Hampshire), Inc), 209103 (Moog Inc. Dba Moog Components Group), 209103 (Moog Inc), 209103 (Moog Inc.).

What NSN replaces 3020-00-518-4547?

There are 3 known substitutes for 3020-00-518-4547: 2815-00-073-8147, 5310-01-378-8453, 6660-01-442-8882. Verify interchangeability with system specifications before substitution.

What are the specifications of 209103?

Key specifications for 209103: Body Style: PLAIN, SOLID; Bore Nominal Diameter: 0.5152 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.250 INCHES FIRST END IN; Material: STEEL COMP 416 OVERALL. 19 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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