PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

53681Seat,helical Compression Spring

Hamilton Sundstrand Corporation Dba Collins Aerospace · NSN 5340-00-119-6154 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-119-6154 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-119-6154. Primary manufacturer part number: 53681.
Features
  • Seat,helical Compression Spring — FSC 5340
  • Design Type: SOLID
  • Material Document and Classification: AMS 5010 ASSN STD SINGLE MATERIAL RESPONSE
  • Material: STEEL COMP 1212
  • First Step Diameter: 1.1000 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Hamilton Sundstrand Corporation Dba Collins Aerospace
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Comp 1212 construction
General Description

The Seat,helical Compression Spring, cataloged under National Stock Number 5340-00-119-6154, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 4 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5340-00-119-6154
Primary Part Number53681
Item NameSeat,helical Compression Spring
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerHamilton Sundstrand Corporation Dba Collins Aerospace
StatusCANCELLED
Design TypeSOLID
Material Document and ClassificationAMS 5010 ASSN STD SINGLE MATERIAL RESPONSE
MaterialSTEEL COMP 1212
First Step Diameter1.1000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
3655-00-065-6625 INTERCHANGEABLE
Guide,crosshead
6685-00-628-9303 INTERCHANGEABLE
Thermometer,indicating,capillary
5940-00-836-2459 INTERCHANGEABLE
Terminal,lug
3655-01-206-492053681 INTERCHANGEABLE
Guide,crosshead
Hydro-Test Products, Inc. Dba Hydro-Test Products Inc
6150-01-505-378053681-1 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Naval Air Warfare Ctr Aircraft Div
Cross-Reference Index
Part NumberManufacturer
53681 PRIMARY Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
Related Parts
3655-00-065-6625INTERCHANGEABLE
GUIDE,CROSSHEAD
6685-00-628-9303INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
5940-00-836-2459INTERCHANGEABLE
TERMINAL,LUG
3655-01-206-4920INTERCHANGEABLE
GUIDE,CROSSHEAD
53681
6150-01-505-3780INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
53681-1

Frequently Asked Questions

What is NSN 5340-00-119-6154?

NSN 5340-00-119-6154 is a Seat,helical Compression Spring, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5340 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5340-00-119-6154?

NSN 5340-00-119-6154 has 1 cross-referenced part number: 53681 (Hamilton Sundstrand Corporation Dba Collins Aerospace).

What NSN replaces 5340-00-119-6154?

There are 5 known substitutes for 5340-00-119-6154: 3655-00-065-6625, 6685-00-628-9303, 5940-00-836-2459 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 53681?

Key specifications for 53681: Design Type: SOLID; Special Features: NOT CASEHARDENED; Material Document and Classification: AMS 5010 ASSN STD SINGLE MATERIAL RESPONSE; Material: STEEL COMP 1212. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-00-119-6154 still in active supply?

NSN 5340-00-119-6154 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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