PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

80890Gear,spur

Triumph Engine Control Systems Llc · NSN 3020-00-909-7638 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-909-7638 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-909-7638. Primary manufacturer part number: 80890.
Features
  • Gear,spur — FSC 3020
  • Pitch Diameter: 0.6000 INCHES NOMINAL IN
  • Teeth Quantity: 12
  • Body Style: PLAIN, SOLID
  • Nominal Distance Between Body Face and Protruding Hub End: 3.5650 INCHES FIRST END IN
  • Material: STEEL OVERALL
  • Bore Nominal Diameter: 0.2500 INCHES BOTH ENDS IN
  • Nominal Outside Diameter: 0.6460 INCHES IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-909-7638, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Triumph Engine Control Systems Llc. Government technical data includes 14 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
NSN3020-00-909-7638
Primary Part Number80890
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerTriumph Engine Control Systems Llc
StatusACTIVE
Pitch Diameter0.6000 INCHES NOMINAL IN
Teeth Quantity12
Body StylePLAIN, SOLID
Nominal Distance Between Body Face and Protruding Hub End3.5650 INCHES FIRST END IN
MaterialSTEEL OVERALL
Bore Nominal Diameter0.2500 INCHES BOTH ENDS IN
Nominal Outside Diameter0.6460 INCHES IN
Face Nominal Width0.385 INCHES IN
Features ProvidedCASEHARDENED
Pressure Angle20.0000 DEGREES
Tooth FormSTUB
Style DesignatorPROTRUDING HUB
Hub Style DesignatorTHREADED FIRST END
Bore StylePLAIN BOTH ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4820-01-018-3781F073076B02TS/33652-6D/882010603 INTERCHANGEABLE
Valve,y
Velan Valve Corp.
Cross-Reference Index
Part NumberManufacturer
80890 PRIMARY Triumph Engine Control Systems Llc (USA)
Related Parts
4820-01-018-3781INTERCHANGEABLE
VALVE,Y
F073076B02TS/33652-6D/882010603

Frequently Asked Questions

What is NSN 3020-00-909-7638?

NSN 3020-00-909-7638 is a Gear,spur, manufactured by Triumph Engine Control Systems Llc, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-909-7638?

NSN 3020-00-909-7638 has 1 cross-referenced part number: 80890 (Triumph Engine Control Systems Llc).

What NSN replaces 3020-00-909-7638?

There is 1 known substitute for 3020-00-909-7638: 4820-01-018-3781. Verify interchangeability with system specifications before substitution.

What are the specifications of 80890?

Key specifications for 80890: Pitch Diameter: 0.6000 INCHES NOMINAL IN; Teeth Quantity: 12; Body Style: PLAIN, SOLID; Nominal Distance Between Body Face and Protruding Hub End: 3.5650 INCHES FIRST END IN. 15 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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