PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1412585-120Gear,spur

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 3020-00-054-4536 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-054-4536 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-054-4536. Primary manufacturer part number: 1412585-120.
Features
  • Gear,spur — FSC 3020
  • Pitch Diameter: 2.4990 INCHES MINIMUM AND 2.5000 INCHES MAXIMUM IN
  • Body Style: PLAIN, SOLID
  • Bore Style: PLAIN FIRST END
  • Nominal Outside Diameter: 2.541 INCHES IN
  • Nominal Overall Length: 0.405 INCHES IN
  • Precision Classification: QUALITY NUMBER 10 OR QUALITY NUMBER 11
  • Tooth Form: STANDARD
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 3020-00-054-4536, 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 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-054-4536
Primary Part Number1412585-120
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Pitch Diameter2.4990 INCHES MINIMUM AND 2.5000 INCHES MAXIMUM IN
Body StylePLAIN, SOLID
Bore StylePLAIN FIRST END
Nominal Outside Diameter2.541 INCHES IN
Nominal Overall Length0.405 INCHES IN
Precision ClassificationQUALITY NUMBER 10 OR QUALITY NUMBER 11
Tooth FormSTANDARD
End Nominal Length0.275 INCHES FIRST END IN
Pressure Angle20.0000 DEGREES
MaterialALUMINUM ALLOY 6061 OVERALL
Face Nominal Width0.093 INCHES IN
Material Document and ClassificationQQ-A-225/8,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
First Step Nominal Diameter0.435 INCHES FIRST END IN
Bore Nominal Diameter0.250 INCHES BOTH ENDS IN
Surface TreatmentANODIZE OVERALL
Style DesignatorPROTRUDING HUB
Hub Style Designator1 STEP FIRST END
First Step Nominal Length0.037 INCHES FIRST END IN
Nominal Distance Between Body Face and Protruding Hub End0.313 INCHES FIRST END IN
Teeth Quantity120
End Nominal Diameter0.313 INCHES FIRST END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3020-00-052-55031412585-45 INTERCHANGEABLE
Gear,spur
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3020-00-053-34421412585-30 INTERCHANGEABLE
Gear,spur
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3020-00-053-34621412585-70 INTERCHANGEABLE
Gear,spur
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3020-00-053-34701412585-80 INTERCHANGEABLE
Gear,spur
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3020-00-097-86171412585-75 INTERCHANGEABLE
Gear,spur
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3455-00-231-348610400 INTERCHANGEABLE
Cutter,milling,plain
Niagara Cutter Inc
3020-00-876-04661412585-46 INTERCHANGEABLE
Gear,spur
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3110-01-031-515309081-09196 INTERCHANGEABLE
Bearing,roller,tapered
The Timken Corporation
5330-01-099-2567 INTERCHANGEABLE
Packing,preformed
5340-01-109-9557 INTERCHANGEABLE
Plug,expansion
Cross-Reference Index
Part NumberManufacturer
45-040-120 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
1412585-120REVB Naval Sea Systems Command (USA)
45-040 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
1412585 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
1412585-120 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
3020-00-052-5503INTERCHANGEABLE
GEAR,SPUR
1412585-45
3020-00-053-3442INTERCHANGEABLE
GEAR,SPUR
1412585-30
3020-00-053-3462INTERCHANGEABLE
GEAR,SPUR
1412585-70
3020-00-053-3470INTERCHANGEABLE
GEAR,SPUR
1412585-80
3020-00-097-8617INTERCHANGEABLE
GEAR,SPUR
1412585-75
3455-00-231-3486INTERCHANGEABLE
CUTTER,MILLING,PLAIN
10400
3020-00-876-0466INTERCHANGEABLE
GEAR,SPUR
1412585-46
3110-01-031-5153INTERCHANGEABLE
BEARING,ROLLER,TAPERED
09081-09196
5330-01-099-2567INTERCHANGEABLE
PACKING,PREFORMED
5340-01-109-9557INTERCHANGEABLE
PLUG,EXPANSION
5330-01-123-1894INTERCHANGEABLE
PACKING
4504-0
4910-01-186-9487INTERCHANGEABLE
DIAPHRAGM,DYNAMOMETER

Frequently Asked Questions

What is NSN 3020-00-054-4536?

NSN 3020-00-054-4536 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 3020-00-054-4536?

NSN 3020-00-054-4536 has 5 cross-referenced part numbers: 45-040-120 (Lockheed Martin Corporation Div Rms - Mitchel Field), 1412585-120REVB (Naval Sea Systems Command), 45-040 (Lockheed Martin Corporation Div Rms - Mitchel Field), 1412585 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 1412585-120 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 3020-00-054-4536?

There are 12 known substitutes for 3020-00-054-4536: 3020-00-052-5503, 3020-00-053-3442, 3020-00-053-3462 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1412585-120?

Key specifications for 1412585-120: Pitch Diameter: 2.4990 INCHES MINIMUM AND 2.5000 INCHES MAXIMUM IN; Body Style: PLAIN, SOLID; Bore Style: PLAIN FIRST END; Nominal Outside Diameter: 2.541 INCHES IN. 21 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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