PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25476Seat,helical Compression Spring

Hydro-Aire Aerospace Corp · NSN 5340-00-348-6324 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-348-6324 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-348-6324. Primary manufacturer part number: 25476.
Features
  • Seat,helical Compression Spring — FSC 5340
  • Surface Treatment: PASSIVATE
  • Material: STEEL CORROSION RESISTING
  • FSC Application Data: AIRCRAFT HYDRAULIC,VACUUM,DEICING SYSTEMS
  • Material Hardness Rating: 62.0 ROCKWELL C NOMINAL
  • Design Type: SOLID
  • 1 verified cross-reference
  • Primary manufacturer: Hydro-Aire Aerospace Corp
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Seat,helical Compression Spring, cataloged under National Stock Number 5340-00-348-6324, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hydro-Aire Aerospace Corp. Government technical data includes 5 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-348-6324
Primary Part Number25476
Item NameSeat,helical Compression Spring
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerHydro-Aire Aerospace Corp
StatusACTIVE
Surface TreatmentPASSIVATE
MaterialSTEEL CORROSION RESISTING
FSC Application DataAIRCRAFT HYDRAULIC,VACUUM,DEICING SYSTEMS
Material Hardness Rating62.0 ROCKWELL C NOMINAL
Design TypeSOLID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 6
1680-00-134-101725476 INTERCHANGEABLE
Casing Assy,control
Triumph Controls, Llc Dba Triumph Controls, Llc
5998-00-209-7465 INTERCHANGEABLE
Printed Circuit Ass
2805-00-383-8578005809 INTERCHANGEABLE
Cover Assembly
Caterpillar Inc Div Caterpillar Defense
6150-00-630-053748801A INTERCHANGEABLE
Cable Assembly,special Purpose,e
Unison Industries Llc
4730-01-207-234925476 INTERCHANGEABLE
Plug,pipe
Barksdale, Inc
4320-01-350-1674C210M-1998 INTERCHANGEABLE
Motor-Pump,hydraulic
Zimmerman Industries, Inc.
Cross-Reference Index
Part NumberManufacturer
25476 PRIMARY Hydro-Aire Aerospace Corp (USA)
Related Parts
1680-00-134-1017INTERCHANGEABLE
CASING ASSY,CONTROL
25476
5998-00-209-7465INTERCHANGEABLE
PRINTED CIRCUIT ASS
2805-00-383-8578INTERCHANGEABLE
COVER ASSEMBLY
005809
6150-00-630-0537INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
48801A
4730-01-207-2349INTERCHANGEABLE
PLUG,PIPE
25476
4320-01-350-1674INTERCHANGEABLE
MOTOR-PUMP,HYDRAULIC
C210M-1998

Frequently Asked Questions

What is NSN 5340-00-348-6324?

NSN 5340-00-348-6324 is a Seat,helical Compression Spring, manufactured by Hydro-Aire Aerospace Corp, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-348-6324?

NSN 5340-00-348-6324 has 1 cross-referenced part number: 25476 (Hydro-Aire Aerospace Corp).

What NSN replaces 5340-00-348-6324?

There are 6 known substitutes for 5340-00-348-6324: 1680-00-134-1017, 5998-00-209-7465, 2805-00-383-8578 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25476?

Key specifications for 25476: Surface Treatment: PASSIVATE; Material: STEEL CORROSION RESISTING; FSC Application Data: AIRCRAFT HYDRAULIC,VACUUM,DEICING SYSTEMS; Material Hardness Rating: 62.0 ROCKWELL C NOMINAL. 5 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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