PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1243259Gear,spur

Honeywell Intl Inc Defense Avionics Systems · NSN 3020-00-528-4660 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-528-4660 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-528-4660. Primary manufacturer part number: 1243259.
Features
  • Gear,spur — FSC 3020
  • Nominal Outside Diameter: 0.275 INCHES IN
  • Style Designator: PROTRUDING HUB
  • Nominal Overall Length: 0.062 INCHES IN
  • Face Nominal Width: 0.054 INCHES IN
  • Bore Nominal Diameter: 0.094 INCHES BOTH ENDS IN
  • Hub Nominal Diameter: 0.156 INCHES FIRST END IN
  • Teeth Quantity: 20
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Copper Alloy 642 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-528-4660, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Honeywell Intl Inc Defense Avionics Systems. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3020-00-528-4660
Primary Part Number1243259
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerHoneywell Intl Inc Defense Avionics Systems
StatusCANCELLED
Nominal Outside Diameter0.275 INCHES IN
Style DesignatorPROTRUDING HUB
Nominal Overall Length0.062 INCHES IN
Face Nominal Width0.054 INCHES IN
Bore Nominal Diameter0.094 INCHES BOTH ENDS IN
Hub Nominal Diameter0.156 INCHES FIRST END IN
Teeth Quantity20
Bore StylePLAIN BOTH ENDS
MaterialCOPPER ALLOY 642 OVERALL
Pitch Diameter0.2500 INCHES NOMINAL IN
Tooth FormSTANDARD
Nominal Distance Between Body Face and Protruding Hub End0.005 INCHES FIRST END IN
Hub Style DesignatorPLAIN FIRST END
Body StylePLAIN, SOLID
Pressure Angle20.0000 DEGREES
Material Document and ClassificationAMS 4631 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5905-00-195-6806 INTERCHANGEABLE
Resistor,fixed,composition
7025-01-691-8422108658 INTERCHANGEABLE
Disk Drive Unit
Systel Inc
Cross-Reference Index
Part NumberManufacturer
1243259 PRIMARY Honeywell Intl Inc Defense Avionics Systems (USA)
B1243259-1 Bendix Corp the Bendix International Div (USA)
106188 Goodrich Actuation Systems SAS (FRA)
BL13394 American Telephone and Telegraph Co (USA)
1243259-1 Honeywell Intl Inc Defense Avionics Systems (USA)
106188 Lucas France Sa Div Aerospace France (FRA)
Related Parts
5905-00-195-6806INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
7025-01-691-8422INTERCHANGEABLE
DISK DRIVE UNIT
108658

Frequently Asked Questions

What is NSN 3020-00-528-4660?

NSN 3020-00-528-4660 is a Gear,spur, manufactured by Honeywell Intl Inc Defense Avionics Systems, classified under FSC 3020 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3020-00-528-4660?

NSN 3020-00-528-4660 has 6 cross-referenced part numbers: 1243259 (Honeywell Intl Inc Defense Avionics Systems), B1243259-1 (Bendix Corp the Bendix International Div), 106188 (Goodrich Actuation Systems SAS), BL13394 (American Telephone and Telegraph Co), 1243259-1 (Honeywell Intl Inc Defense Avionics Systems) and 1 more.

What NSN replaces 3020-00-528-4660?

There are 2 known substitutes for 3020-00-528-4660: 5905-00-195-6806, 7025-01-691-8422. Verify interchangeability with system specifications before substitution.

What are the specifications of 1243259?

Key specifications for 1243259: Nominal Outside Diameter: 0.275 INCHES IN; Style Designator: PROTRUDING HUB; Nominal Overall Length: 0.062 INCHES IN; Face Nominal Width: 0.054 INCHES IN. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3020-00-528-4660 still in active supply?

NSN 3020-00-528-4660 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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