PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

114211Seat,helical Compression Spring

Hydro-Aire Aerospace Corp · NSN 5340-01-186-2984 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-186-2984 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-186-2984. Primary manufacturer part number: 114211.
Features
  • Seat,helical Compression Spring — FSC 5340
  • FSC Application Data: AIRCRAFT HYDRAULIC,VACUUM,DEICING SYSTEMS
  • Design Type: SOLID
  • 1 verified cross-reference
  • Primary manufacturer: Hydro-Aire Aerospace Corp
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
General Description

The Seat,helical Compression Spring, cataloged under National Stock Number 5340-01-186-2984, 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 2 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
NSN5340-01-186-2984
Primary Part Number114211
Item NameSeat,helical Compression Spring
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerHydro-Aire Aerospace Corp
StatusACTIVE
FSC Application DataAIRCRAFT HYDRAULIC,VACUUM,DEICING SYSTEMS
Design TypeSOLID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 2
3040-00-978-980811486-01 INTERCHANGEABLE
Brake Assembly
Drs C3 & Aviation Company Dba Drs Data & Imaging Systems
6515-01-385-0500114-211 INTERCHANGEABLE
Stockings,anti-Embolism
Bsn-Jobst, Inc.
Cross-Reference Index
Part NumberManufacturer
114211 PRIMARY Hydro-Aire Aerospace Corp (USA)
Related Parts
3040-00-978-9808INTERCHANGEABLE
BRAKE ASSEMBLY
11486-01
6515-01-385-0500INTERCHANGEABLE
STOCKINGS,ANTI-EMBOLISM
114-211

Frequently Asked Questions

What is NSN 5340-01-186-2984?

NSN 5340-01-186-2984 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 5340-01-186-2984?

NSN 5340-01-186-2984 has 1 cross-referenced part number: 114211 (Hydro-Aire Aerospace Corp).

What NSN replaces 5340-01-186-2984?

There are 2 known substitutes for 5340-01-186-2984: 3040-00-978-9808, 6515-01-385-0500. Verify interchangeability with system specifications before substitution.

What are the specifications of 114211?

Key specifications for 114211: FSC Application Data: AIRCRAFT HYDRAULIC,VACUUM,DEICING SYSTEMS; Special Features: USED ON VALVE ASSEMBLY HYDRAULIC,KC-135 AIRCRAFT; Design Type: SOLID. 3 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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