PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ML344Gear,spur

Canadian Arsenals Ltd · NSN 3020-00-566-4271 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-566-4271 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-566-4271. Primary manufacturer part number: ML344.
Features
  • Gear,spur — FSC 3020
  • Nominal Outside Diameter: 1.708 INCHES IN
  • Face Nominal Width: 0.125 INCHES IN
  • Material: ALUMINUM OVERALL
  • Style Designator: PROTRUDING HUB
  • Material Document and Classification: QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Body Style: PLAIN, SOLID
  • Bore Style: PLAIN BOTH ENDS
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Aluminum Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-566-4271, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Canadian Arsenals Ltd. Government technical data includes 17 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-566-4271
Primary Part NumberML344
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerCanadian Arsenals Ltd
StatusACTIVE
Nominal Outside Diameter1.708 INCHES IN
Face Nominal Width0.125 INCHES IN
MaterialALUMINUM OVERALL
Style DesignatorPROTRUDING HUB
Material Document and ClassificationQQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Body StylePLAIN, SOLID
Bore StylePLAIN BOTH ENDS
Hub Style DesignatorPINNED FIRST END
Hub Nominal Diameter0.375 INCHES FIRST END IN
Bore Nominal Diameter0.187 INCHES BOTH ENDS IN
Precision ClassificationQUALITY NUMBER 10
Pressure Angle20.0000 DEGREES
Nominal Distance Between Body Face and Protruding Hub End0.218 INCHES FIRST END IN
Pitch Diameter1.6667 INCHES NOMINAL IN
Surface Treatment Document and ClassificationMIL-A-8625A,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL A
Surface TreatmentANODIZE OVERALL
Teeth Quantity80
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6240-00-722-646710123942 INTERCHANGEABLE
Lamp,incandescent
Us Army Aviation and Missile Command
Cross-Reference Index
Part NumberManufacturer
ML344 Canadian Arsenals Ltd (CAN)
Related Parts
6240-00-722-6467INTERCHANGEABLE
LAMP,INCANDESCENT
10123942

Frequently Asked Questions

What is NSN 3020-00-566-4271?

NSN 3020-00-566-4271 is a Gear,spur, manufactured by Canadian Arsenals Ltd, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-566-4271?

NSN 3020-00-566-4271 has 1 cross-referenced part number: ML344 (Canadian Arsenals Ltd).

What NSN replaces 3020-00-566-4271?

There is 1 known substitute for 3020-00-566-4271: 6240-00-722-6467. Verify interchangeability with system specifications before substitution.

What are the specifications of ML344?

Key specifications for ML344: Nominal Outside Diameter: 1.708 INCHES IN; Face Nominal Width: 0.125 INCHES IN; Material: ALUMINUM OVERALL; Style Designator: PROTRUDING HUB. 17 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com