PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1771528Gear,spur

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 3020-00-102-4131 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-102-4131 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-102-4131. Primary manufacturer part number: 1771528.
Features
  • Gear,spur — FSC 3020
  • Material Document and Classification: QQ-A-225/8,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • End Nominal Length: 0.245 INCHES FIRST END IN
  • Style Designator: PROTRUDING HUB
  • Body Style: PLAIN, SOLID
  • Pressure Angle: 20.0000 DEGREES
  • Tooth Form: STANDARD
  • Material: ALUMINUM ALLOY 6061 OVERALL
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 3020-00-102-4131, 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 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-102-4131
Primary Part Number1771528
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Material Document and ClassificationQQ-A-225/8,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
End Nominal Length0.245 INCHES FIRST END IN
Style DesignatorPROTRUDING HUB
Body StylePLAIN, SOLID
Pressure Angle20.0000 DEGREES
Tooth FormSTANDARD
MaterialALUMINUM ALLOY 6061 OVERALL
Nominal Distance Between Body Face and Protruding Hub End0.283 INCHES FIRST END IN
Bore Nominal Diameter0.187 INCHES BOTH ENDS IN
First Step Nominal Length0.038 INCHES FIRST END IN
End Nominal Diameter0.250 INCHES FIRST END IN
Teeth Quantity26
Nominal Overall Length0.375 INCHES IN
Precision ClassificationQUALITY NUMBER 10 OR QUALITY NUMBER 11
Face Nominal Width0.093 INCHES IN
Nominal Outside Diameter0.437 INCHES IN
Pitch Diameter0.4053 INCHES MINIMUM AND 0.4063 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3110-00-554-29796009J INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc
4930-01-266-7929KD64348-1 INTERCHANGEABLE
Collar,nozzle
Eaton Corporation Dba Eaton Inoac
5950-01-294-7632121-9A-4-1 INTERCHANGEABLE
Coil,radio Frequency
Allard Nazarian Group, Inc. Dba Granite State Manufacturing
5120-01-398-784400944309000 INTERCHANGEABLE
Socket,socket Wrench
Sears, Roebuck and Co. Dba Sears Div Sears Commercial
Cross-Reference Index
Part NumberManufacturer
44-309 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
1771528 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
1771528 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
Related Parts
3110-00-554-2979INTERCHANGEABLE
BEARING,BALL,ANNULAR
6009J
4930-01-266-7929INTERCHANGEABLE
COLLAR,NOZZLE
KD64348-1
5950-01-294-7632INTERCHANGEABLE
COIL,RADIO FREQUENCY
121-9A-4-1
5120-01-398-7844INTERCHANGEABLE
SOCKET,SOCKET WRENCH
00944309000

Frequently Asked Questions

What is NSN 3020-00-102-4131?

NSN 3020-00-102-4131 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 3020-00-102-4131?

NSN 3020-00-102-4131 has 3 cross-referenced part numbers: 44-309 (Lockheed Martin Corporation Div Rms - Mitchel Field), 1771528 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 1771528 (Lockheed Martin Corporation Div Rms - Mitchel Field).

What NSN replaces 3020-00-102-4131?

There are 4 known substitutes for 3020-00-102-4131: 3110-00-554-2979, 4930-01-266-7929, 5950-01-294-7632 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1771528?

Key specifications for 1771528: Material Document and Classification: QQ-A-225/8,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; End Nominal Length: 0.245 INCHES FIRST END IN; Style Designator: PROTRUDING HUB; Body Style: PLAIN, SOLID. 17 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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