PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1770783Gear,spur

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 3020-00-042-6464 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-042-6464 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-042-6464. Primary manufacturer part number: 1770783.
Features
  • Gear,spur — FSC 3020
  • Pitch Diameter: 2.5546 INCHES MINIMUM AND 2.5556 INCHES MAXIMUM IN
  • Teeth Quantity: 92
  • Material Document and Classification: QQ-A-225/8,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Tooth Form: STANDARD
  • Nominal Outside Diameter: 2.610 INCHES IN
  • End Nominal Diameter: 0.250 INCHES FIRST END IN
  • Bore Style: PLAIN BOTH ENDS
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Aluminum Alloy 6061 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-042-6464, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 19 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-042-6464
Primary Part Number1770783
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Pitch Diameter2.5546 INCHES MINIMUM AND 2.5556 INCHES MAXIMUM IN
Teeth Quantity92
Material Document and ClassificationQQ-A-225/8,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Tooth FormSTANDARD
Nominal Outside Diameter2.610 INCHES IN
End Nominal Diameter0.250 INCHES FIRST END IN
Bore StylePLAIN BOTH ENDS
First Step Nominal Diameter0.375 INCHES FIRST END IN
Style DesignatorPROTRUDING HUB
Bore Nominal Diameter0.187 INCHES BOTH ENDS IN
Pressure Angle20.0000 DEGREES
Nominal Distance Between Body Face and Protruding Hub End0.280 INCHES FIRST END IN
End Nominal Length0.248 INCHES FIRST END IN
Hub Style Designator1 STEP FIRST END
Face Nominal Width0.125 INCHES IN
First Step Nominal Length0.032 INCHES FIRST END IN
Body StylePLAIN, SOLID
Precision ClassificationQUALITY NUMBER 10 OR QUALITY NUMBER 11
MaterialALUMINUM ALLOY 6061 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5950-00-004-0217984636-1 INTERCHANGEABLE
Transformer,power Autotransforme
Raytheon Company Dba Raytheon
5305-01-007-254341362 INTERCHANGEABLE
Screw,machine
L3harris Technologies, Inc Div Space & Airborne Systems
5365-01-484-442441604 INTERCHANGEABLE
Spacer,straight
Moog Inc. Dba Ampac-Isp Corp
Cross-Reference Index
Part NumberManufacturer
1770783 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
41-362 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
Related Parts
5950-00-004-0217INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
984636-1
5305-01-007-2543INTERCHANGEABLE
SCREW,MACHINE
41362
5365-01-484-4424INTERCHANGEABLE
SPACER,STRAIGHT
41604

Frequently Asked Questions

What is NSN 3020-00-042-6464?

NSN 3020-00-042-6464 is a Gear,spur, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-042-6464?

NSN 3020-00-042-6464 has 2 cross-referenced part numbers: 1770783 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 41-362 (Lockheed Martin Corporation Div Rms - Mitchel Field).

What NSN replaces 3020-00-042-6464?

There are 3 known substitutes for 3020-00-042-6464: 5950-00-004-0217, 5305-01-007-2543, 5365-01-484-4424. Verify interchangeability with system specifications before substitution.

What are the specifications of 1770783?

Key specifications for 1770783: Pitch Diameter: 2.5546 INCHES MINIMUM AND 2.5556 INCHES MAXIMUM IN; Teeth Quantity: 92; Material Document and Classification: QQ-A-225/8,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Special Features: STUD INSERTED IN BACK SIDE OF GEAR FACE. 20 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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