PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BY2218Gear,spur

Eaton Corp Count Control/systems Div · NSN 3020-00-787-7070 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-787-7070 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-787-7070. Primary manufacturer part number: BY2218.
Features
  • Gear,spur — FSC 3020
  • Pitch Diameter: 0.2500 INCHES NOMINAL IN
  • Material: PLASTIC POLYAMIDE NYLON OVERALL
  • Hub Style Designator: PLAIN FIRST END
  • Body Style: PLAIN, SOLID
  • Tooth Form: STANDARD
  • Nominal Outside Diameter: 0.313 INCHES IN
  • Hub Nominal Diameter: 0.128 INCHES FIRST END IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Plastic Polyamide Nylon Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-787-7070, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Eaton Corp Count Control/systems Div. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, 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
NSN3020-00-787-7070
Primary Part NumberBY2218
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerEaton Corp Count Control/systems Div
StatusACTIVE
Pitch Diameter0.2500 INCHES NOMINAL IN
MaterialPLASTIC POLYAMIDE NYLON OVERALL
Hub Style DesignatorPLAIN FIRST END
Body StylePLAIN, SOLID
Tooth FormSTANDARD
Nominal Outside Diameter0.313 INCHES IN
Hub Nominal Diameter0.128 INCHES FIRST END IN
Surface TreatmentPAINT OVERALL
Nominal Overall Length0.218 INCHES IN
Nominal Distance Between Body Face and Protruding Hub End0.088 INCHES FIRST END IN
Style DesignatorPROTRUDING HUB
Teeth Quantity8
Face Nominal Width0.130 INCHES IN
Bore Nominal Diameter0.095 INCHES BOTH ENDS IN
Bore StylePLAIN BOTH ENDS
Pressure Angle20.0000 DEGREES
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3020-00-704-9698BY2218 INTERCHANGEABLE
Gear,spur
Eaton Corp Count Control/systems Div
6625-01-606-4807SS41 INTERCHANGEABLE
Sensor,current
Honeywell Sensing & Control
Cross-Reference Index
Part NumberManufacturer
SS41 Dne Technologies, Inc (USA)
BY2218 PRIMARY Eaton Corp Count Control/systems Div (USA)
Related Parts
3020-00-704-9698INTERCHANGEABLE
GEAR,SPUR
BY2218
6625-01-606-4807INTERCHANGEABLE
SENSOR,CURRENT
SS41

Frequently Asked Questions

What is NSN 3020-00-787-7070?

NSN 3020-00-787-7070 is a Gear,spur, manufactured by Eaton Corp Count Control/systems Div, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-787-7070?

NSN 3020-00-787-7070 has 2 cross-referenced part numbers: SS41 (Dne Technologies, Inc), BY2218 (Eaton Corp Count Control/systems Div).

What NSN replaces 3020-00-787-7070?

There are 2 known substitutes for 3020-00-787-7070: 3020-00-704-9698, 6625-01-606-4807. Verify interchangeability with system specifications before substitution.

What are the specifications of BY2218?

Key specifications for BY2218: Pitch Diameter: 0.2500 INCHES NOMINAL IN; Material: PLASTIC POLYAMIDE NYLON OVERALL; Hub Style Designator: PLAIN FIRST END; Body Style: PLAIN, SOLID. 16 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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