PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21655Seat,helical Compression Spring

Eaton Corp Dba Eaton Aerospace Jackson · NSN 5340-00-589-9298 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-589-9298 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-589-9298. Primary manufacturer part number: 21655.
Features
  • Seat,helical Compression Spring — FSC 5340
  • 1 verified cross-reference
  • Primary manufacturer: Eaton Corp Dba Eaton Aerospace Jackson
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
General Description

The Seat,helical Compression Spring, cataloged under National Stock Number 5340-00-589-9298, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Eaton Corp Dba Eaton Aerospace Jackson. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Catalog Facts
Item NameSeat,helical Compression Spring
FSC / FSG5340 — No Item Name Available (FSG 53)
ManufacturersEaton Corp Dba Eaton Aerospace Jackson (CAGE 59875)
Technical Specifications
ParameterValue
NSN5340-00-589-9298
Primary Part Number21655
Item NameSeat,helical Compression Spring
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerEaton Corp Dba Eaton Aerospace Jackson
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 5
2530-00-128-095421655 INTERCHANGEABLE
Tube
Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling
3020-00-495-2594 INTERCHANGEABLE
Gear,helical
5342-00-514-2640323B-28 INTERCHANGEABLE
Mount,resilient,weapon System
Wabtec Components Llc
5977-00-519-7915 INTERCHANGEABLE
Brush,electrical Contact
4320-01-418-4044008504-000 INTERCHANGEABLE
Valve Plate,hydraulic Motor-Pump
Eaton Corporation Div Eaton Fluid Power
Cross-Reference Index
Part NumberManufacturer
21655 PRIMARY Eaton Corp Dba Eaton Aerospace Jackson (USA)
Related Parts
2530-00-128-0954INTERCHANGEABLE
TUBE
21655
3020-00-495-2594INTERCHANGEABLE
GEAR,HELICAL
5342-00-514-2640INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
323B-28
5977-00-519-7915INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
4320-01-418-4044INTERCHANGEABLE
VALVE PLATE,HYDRAULIC MOTOR-PUMP
008504-000

Frequently Asked Questions

What is NSN 5340-00-589-9298?

NSN 5340-00-589-9298 is a Seat,helical Compression Spring, manufactured by Eaton Corp Dba Eaton Aerospace Jackson, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-589-9298?

NSN 5340-00-589-9298 has 1 cross-referenced part number: 21655 (Eaton Corp Dba Eaton Aerospace Jackson).

What NSN replaces 5340-00-589-9298?

There are 5 known substitutes for 5340-00-589-9298: 2530-00-128-0954, 3020-00-495-2594, 5342-00-514-2640 and 2 more. Verify interchangeability with system specifications before substitution.

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