PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

854592Gear Sector,spur

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 3020-00-399-8690 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-399-8690 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-399-8690. Primary manufacturer part number: 854592.
Features
  • Gear Sector,spur — FSC 3020
  • Pressure Angle: 20.0000 DEGREES
  • Material: STEEL CORROSION RESISTING OVERALL
  • Style Designator: HUBLESS
  • Nominal Outside Radius: 0.578 INCHES IN
  • Material Document and Classification: QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Pitch Radius: 0.5625 INCHES NOMINAL IN
  • Teeth Quantity: 6
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Gear Sector,spur, cataloged under National Stock Number 3020-00-399-8690, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, 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
NSN3020-00-399-8690
Primary Part Number854592
Item NameGear Sector,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Pressure Angle20.0000 DEGREES
MaterialSTEEL CORROSION RESISTING OVERALL
Style DesignatorHUBLESS
Nominal Outside Radius0.578 INCHES IN
Material Document and ClassificationQQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Pitch Radius0.5625 INCHES NOMINAL IN
Teeth Quantity6
Arc Nominal Length0.294 INCHES IN
Face Nominal Width0.019 INCHES IN
Tooth FormSTANDARD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3120-00-364-6813F600G207 INTERCHANGEABLE
Bearing,sleeve
Montes Equipment Co Inc
Cross-Reference Index
Part NumberManufacturer
033-011260 General Dynamics Motion Control Llc (USA)
854592 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
277-001-0001 Northrop Grumman Systems Corporation (USA)
Related Parts
3120-00-364-6813INTERCHANGEABLE
BEARING,SLEEVE
F600G207

Frequently Asked Questions

What is NSN 3020-00-399-8690?

NSN 3020-00-399-8690 is a Gear Sector,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 3020-00-399-8690?

NSN 3020-00-399-8690 has 3 cross-referenced part numbers: 033-011260 (General Dynamics Motion Control Llc), 854592 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 277-001-0001 (Northrop Grumman Systems Corporation).

What NSN replaces 3020-00-399-8690?

There is 1 known substitute for 3020-00-399-8690: 3120-00-364-6813. Verify interchangeability with system specifications before substitution.

What are the specifications of 854592?

Key specifications for 854592: Pressure Angle: 20.0000 DEGREES; Material: STEEL CORROSION RESISTING OVERALL; Style Designator: HUBLESS; Nominal Outside Radius: 0.578 INCHES IN. 10 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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