PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31453Gear Cluster

L3harris Technologies, Inc. · NSN 3020-00-769-5429 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-769-5429 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-769-5429. Primary manufacturer part number: 31453.
Features
  • Gear Cluster — FSC 3020
  • Design Type: SPUR SECOND GEAR
  • Construction: SOLID
  • Hub Nominal Length: 0.125 INCHES BETWEEN SECOND AND THIRD GEAR IN
  • Hub Nominal Diameter: 0.500 INCHES BETWEEN FIRST AND SECOND GEAR IN
  • Material: COPPER ALLOY OVERALL
  • Bore Style: PLAIN BOTH ENDS
  • Hub Style Designator: PLAIN BETWEEN FIRST AND SECOND GEAR
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Copper Alloy Overall construction
General Description

The Gear Cluster, cataloged under National Stock Number 3020-00-769-5429, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is L3harris Technologies, Inc.. Government technical data includes 17 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-769-5429
Primary Part Number31453
Item NameGear Cluster
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerL3harris Technologies, Inc.
StatusACTIVE
Design TypeSPUR SECOND GEAR
ConstructionSOLID
Hub Nominal Length0.125 INCHES BETWEEN SECOND AND THIRD GEAR IN
Hub Nominal Diameter0.500 INCHES BETWEEN FIRST AND SECOND GEAR IN
MaterialCOPPER ALLOY OVERALL
Bore StylePLAIN BOTH ENDS
Hub Style DesignatorPLAIN BETWEEN FIRST AND SECOND GEAR
Hub Nominal Length0.250 INCHES BETWEEN FIRST AND SECOND GEAR IN
Design TypeSPUR THIRD GEAR
Nominal Overall Length0.875 INCHES IN
Nominal Outside Diameter1.270 INCHES FIRST GEAR IN
Hub Style DesignatorPLAIN BETWEEN SECOND AND THIRD GEAR
Design TypeSPUR FIRST GEAR
Hub Nominal Diameter0.500 INCHES BETWEEN SECOND AND THIRD GEAR IN
Bore Nominal Diameter0.250 INCHES BOTH ENDS IN
Nominal Outside Diameter2.561 INCHES SECOND GEAR IN
Nominal Outside Diameter0.936 INCHES THIRD GEAR IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2530-00-359-0039100971 INTERCHANGEABLE
Deflector,dirt and Liquid
Dana Off Highway Products, Llc
2805-00-938-5792163235 INTERCHANGEABLE
Lock,valve Spring Retainer
Dresser, Llc
Cross-Reference Index
Part NumberManufacturer
31453 PRIMARY L3harris Technologies, Inc. (USA)
31453 L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
31453 Profile Gear Corp (USA)
Related Parts
2530-00-359-0039INTERCHANGEABLE
DEFLECTOR,DIRT AND LIQUID
100971
2805-00-938-5792INTERCHANGEABLE
LOCK,VALVE SPRING RETAINER
163235

Frequently Asked Questions

What is NSN 3020-00-769-5429?

NSN 3020-00-769-5429 is a Gear Cluster, manufactured by L3harris Technologies, Inc., classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-769-5429?

NSN 3020-00-769-5429 has 3 cross-referenced part numbers: 31453 (L3harris Technologies, Inc.), 31453 (L3harris Technologies, Inc. Div Space and Airborne Systems), 31453 (Profile Gear Corp).

What NSN replaces 3020-00-769-5429?

There are 2 known substitutes for 3020-00-769-5429: 2530-00-359-0039, 2805-00-938-5792. Verify interchangeability with system specifications before substitution.

What are the specifications of 31453?

Key specifications for 31453: Design Type: SPUR SECOND GEAR; Construction: SOLID; Hub Nominal Length: 0.125 INCHES BETWEEN SECOND AND THIRD GEAR IN; Hub Nominal Diameter: 0.500 INCHES BETWEEN FIRST AND SECOND GEAR IN. 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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