PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51587Gear Cluster

Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging · NSN 3020-00-602-2104 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-602-2104 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-602-2104. Primary manufacturer part number: 51587.
Features
  • Gear Cluster — FSC 3020
  • Bore Nominal Diameter: 0.500 INCHES BOTH ENDS IN
  • Nominal Outside Diameter: 1.1840 INCHES FIRST GEAR IN
  • Bore Style: PLAIN BOTH ENDS
  • Construction: ASSEMBLED
  • Design Type: SPUR SECOND GEAR
  • Design Type: WORM WHEEL FIRST GEAR
  • Nominal Outside Diameter: 0.6670 INCHES SECOND GEAR IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Overall construction
General Description

The Gear Cluster, cataloged under National Stock Number 3020-00-602-2104, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging. Government technical data includes 12 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-602-2104
Primary Part Number51587
Item NameGear Cluster
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerSafran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging
StatusACTIVE
Bore Nominal Diameter0.500 INCHES BOTH ENDS IN
Nominal Outside Diameter1.1840 INCHES FIRST GEAR IN
Bore StylePLAIN BOTH ENDS
ConstructionASSEMBLED
Design TypeSPUR SECOND GEAR
Design TypeWORM WHEEL FIRST GEAR
Nominal Outside Diameter0.6670 INCHES SECOND GEAR IN
Nominal Overall Length0.656 INCHES IN
Design TypeBEVEL THIRD GEAR
MaterialSTEEL OVERALL
Surface TreatmentPASSIVATE OVERALL
Hub Nominal Length0.325 INCHES BETWEEN FIRST AND SECOND GEAR IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5365-00-119-658451587 INTERCHANGEABLE
Spacer,plate
Hamilton Sundstrand Corporation Dba Collins Aerospace
3110-00-156-83873640 INTERCHANGEABLE
Bearing,ball,annular
Prestolite Electric Inc
5950-00-812-5858 INTERCHANGEABLE
Transformer,pulse
6240-01-032-6598 INTERCHANGEABLE
Lamp,incandescent
Cross-Reference Index
Part NumberManufacturer
51587 PRIMARY Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging (USA)
Related Parts
5365-00-119-6584INTERCHANGEABLE
SPACER,PLATE
51587
3110-00-156-8387INTERCHANGEABLE
BEARING,BALL,ANNULAR
3640
5950-00-812-5858INTERCHANGEABLE
TRANSFORMER,PULSE
6240-01-032-6598INTERCHANGEABLE
LAMP,INCANDESCENT

Frequently Asked Questions

What is NSN 3020-00-602-2104?

NSN 3020-00-602-2104 is a Gear Cluster, manufactured by Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-602-2104?

NSN 3020-00-602-2104 has 1 cross-referenced part number: 51587 (Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging).

What NSN replaces 3020-00-602-2104?

There are 4 known substitutes for 3020-00-602-2104: 5365-00-119-6584, 3110-00-156-8387, 5950-00-812-5858 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 51587?

Key specifications for 51587: Bore Nominal Diameter: 0.500 INCHES BOTH ENDS IN; Nominal Outside Diameter: 1.1840 INCHES FIRST GEAR IN; Bore Style: PLAIN BOTH ENDS; Construction: ASSEMBLED. 12 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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