PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

525565Spring,piston Retur

Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp · NSN 2815-00-651-4249 · FSC 2815 · No Item Name Available
Verified by PartsTable
NSN 2815-00-651-4249 — this item is cataloged by the U.S. Government under National Stock Number 2815-00-651-4249. Primary manufacturer part number: 525565.
Features
  • Spring,piston Retur — FSC 2815
  • 1 verified cross-reference
  • Primary manufacturer: Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
General Description

The Spring,piston Retur, cataloged under National Stock Number 2815-00-651-4249, is classified within Federal Supply Class 2815 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSpring,piston Retur
FSC / FSG2815 — No Item Name Available (FSG 28)
ManufacturersWestinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp (CAGE 82722)
Technical Specifications
ParameterValue
NSN2815-00-651-4249
Primary Part Number525565
Item NameSpring,piston Retur
FSC / FSG2815 / 28 — No Item Name Available
ManufacturerWestinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5975-01-360-5555 INTERCHANGEABLE
Mounting Base,electrical Equipme
6115-01-706-6672525565-2 INTERCHANGEABLE
Guard,fan Impeller
Regal Rexnord Corporation
Cross-Reference Index
Part NumberManufacturer
525565 PRIMARY Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp (USA)
Related Parts
5975-01-360-5555INTERCHANGEABLE
MOUNTING BASE,ELECTRICAL EQUIPME
6115-01-706-6672INTERCHANGEABLE
GUARD,FAN IMPELLER
525565-2

Frequently Asked Questions

What is NSN 2815-00-651-4249?

NSN 2815-00-651-4249 is a Spring,piston Retur, manufactured by Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp, classified under FSC 2815 (No Item Name Available). Status: active.

What are the part numbers for NSN 2815-00-651-4249?

NSN 2815-00-651-4249 has 1 cross-referenced part number: 525565 (Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp).

What NSN replaces 2815-00-651-4249?

There are 2 known substitutes for 2815-00-651-4249: 5975-01-360-5555, 6115-01-706-6672. Verify interchangeability with system specifications before substitution.

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