PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

113198Seat,helical Compression Spring

Hydro-Aire Aerospace Corp · NSN 5340-00-572-5523 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-572-5523 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-572-5523. Primary manufacturer part number: 113198.
Features
  • Seat,helical Compression Spring — FSC 5340
  • Design Type: SOLID
  • FSC Application Data: AIR PRESSURE REGULATOR
  • Distance From End to First Step: 0.9700 INCHES NOMINAL IN
  • End Diameter: 0.2450 INCHES NOMINAL IN
  • Style Designator: SEAT
  • Material: ALUMINUM ALLOY
  • Surface Treatment: ANODIZE
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Aluminum Alloy construction
General Description

The Seat,helical Compression Spring, cataloged under National Stock Number 5340-00-572-5523, 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 9 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-572-5523
Primary Part Number113198
Item NameSeat,helical Compression Spring
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerHydro-Aire Aerospace Corp
StatusACTIVE
Design TypeSOLID
FSC Application DataAIR PRESSURE REGULATOR
Distance From End to First Step0.9700 INCHES NOMINAL IN
End Diameter0.2450 INCHES NOMINAL IN
Style DesignatorSEAT
MaterialALUMINUM ALLOY
Surface TreatmentANODIZE
First Step Diameter0.4490 INCHES NOMINAL IN
Second Step Length0.0300 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 2
5310-00-579-5554MS35333-35 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
3020-00-909-2651113198 INTERCHANGEABLE
Gear,spur
Bae Systems Information and Electronic Systems Integration Inc.
Cross-Reference Index
Part NumberManufacturer
113198 PRIMARY Hydro-Aire Aerospace Corp (USA)
Related Parts
5310-00-579-5554INTERCHANGEABLE
WASHER,LOCK
MS35333-35
3020-00-909-2651INTERCHANGEABLE
GEAR,SPUR
113198

Frequently Asked Questions

What is NSN 5340-00-572-5523?

NSN 5340-00-572-5523 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 5340-00-572-5523?

NSN 5340-00-572-5523 has 1 cross-referenced part number: 113198 (Hydro-Aire Aerospace Corp).

What NSN replaces 5340-00-572-5523?

There are 2 known substitutes for 5340-00-572-5523: 5310-00-579-5554, 3020-00-909-2651. Verify interchangeability with system specifications before substitution.

What are the specifications of 113198?

Key specifications for 113198: Design Type: SOLID; FSC Application Data: AIR PRESSURE REGULATOR; Distance From End to First Step: 0.9700 INCHES NOMINAL IN; End Diameter: 0.2450 INCHES NOMINAL IN. 10 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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