PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A585Gear,main Shaft,thi

Eaton Corp Transmission Div · NSN 2520-00-457-0056 · FSC 2520 · No Item Name Available
Verified by PartsTable
NSN 2520-00-457-0056 — this item is cataloged by the U.S. Government under National Stock Number 2520-00-457-0056. Primary manufacturer part number: A585.
Features
  • Gear,main Shaft,thi — FSC 2520
  • 1 verified cross-reference
  • Primary manufacturer: Eaton Corp Transmission Div
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear,main Shaft,thi, cataloged under National Stock Number 2520-00-457-0056, is classified within Federal Supply Class 2520 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Eaton Corp Transmission Div. 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.

Catalog Facts
Item NameGear,main Shaft,thi
FSC / FSG2520 — No Item Name Available (FSG 25)
ManufacturersEaton Corp Transmission Div (CAGE 73460)
Technical Specifications
ParameterValue
NSN2520-00-457-0056
Primary Part NumberA585
Item NameGear,main Shaft,thi
FSC / FSG2520 / 25 — No Item Name Available
ManufacturerEaton Corp Transmission Div
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5920-00-142-73639007312 INTERCHANGEABLE
Fuse,cartridge
Us Army Aviation and Missile Command
5940-00-549-2731842961PC3 INTERCHANGEABLE
Terminal,feedthru
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4820-01-250-19198368 INTERCHANGEABLE
Slide,directional Control Linear
Eaton Corporation Div Eaton Fluid Power
4820-01-251-1046606-1048-002-CF00 INTERCHANGEABLE
Valve,priority
Eaton Corporation Div Eaton Fluid Power
Cross-Reference Index
Part NumberManufacturer
A585 PRIMARY Eaton Corp Transmission Div (USA)
Related Parts
5920-00-142-7363INTERCHANGEABLE
FUSE,CARTRIDGE
9007312
5940-00-549-2731INTERCHANGEABLE
TERMINAL,FEEDTHRU
842961PC3
4820-01-250-1919INTERCHANGEABLE
SLIDE,DIRECTIONAL CONTROL LINEAR
8368
4820-01-251-1046INTERCHANGEABLE
VALVE,PRIORITY
606-1048-002-CF00

Frequently Asked Questions

What is NSN 2520-00-457-0056?

NSN 2520-00-457-0056 is a Gear,main Shaft,thi, manufactured by Eaton Corp Transmission Div, classified under FSC 2520 (No Item Name Available). Status: active.

What are the part numbers for NSN 2520-00-457-0056?

NSN 2520-00-457-0056 has 1 cross-referenced part number: A585 (Eaton Corp Transmission Div).

What NSN replaces 2520-00-457-0056?

There are 4 known substitutes for 2520-00-457-0056: 5920-00-142-7363, 5940-00-549-2731, 4820-01-250-1919 and 1 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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