PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

66-671Spring,helical,compression

Automatic Switch Company Dba Asco · NSN 5360-01-249-4401 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-01-249-4401 — this item is cataloged by the U.S. Government under National Stock Number 5360-01-249-4401. Primary manufacturer part number: 66-671.
Features
  • Spring,helical,compression — FSC 5360
  • Material: STEEL CORROSION RESISTING OVERALL
  • 5 verified cross-references
  • Primary manufacturer: Automatic Switch Company Dba Asco
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Spring,helical,compression, cataloged under National Stock Number 5360-01-249-4401, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Automatic Switch Company Dba Asco. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-01-249-4401
Primary Part Number66-671
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerAutomatic Switch Company Dba Asco
StatusACTIVE
MaterialSTEEL CORROSION RESISTING OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6150-00-692-4403370471 INTERCHANGEABLE
Wiring Harness
Service & Sales Inc
1560-00-827-7629 INTERCHANGEABLE
Adapter,pressure Fuel Servicing
4730-01-507-84361945HX INTERCHANGEABLE
Plug,pipe
Oshkosh Defense Llc
Cross-Reference Index
Part NumberManufacturer
34669010 Siemens Energy, Inc. Dba Dresser-Rand (USA)
34669010 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA)
34669010 Dresser-Rand Co Ingersoll-Rand Opns a Joint Venture (USA)
FV-066671 Automatic Switch Company Dba Asco (USA)
66-671 PRIMARY Automatic Switch Company Dba Asco (USA)
Related Parts
6150-00-692-4403INTERCHANGEABLE
WIRING HARNESS
370471
1560-00-827-7629INTERCHANGEABLE
ADAPTER,PRESSURE FUEL SERVICING
4730-01-507-8436INTERCHANGEABLE
PLUG,PIPE
1945HX

Frequently Asked Questions

What is NSN 5360-01-249-4401?

NSN 5360-01-249-4401 is a Spring,helical,compression, manufactured by Automatic Switch Company Dba Asco, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-01-249-4401?

NSN 5360-01-249-4401 has 5 cross-referenced part numbers: 34669010 (Siemens Energy, Inc. Dba Dresser-Rand), 34669010 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions), 34669010 (Dresser-Rand Co Ingersoll-Rand Opns a Joint Venture), FV-066671 (Automatic Switch Company Dba Asco), 66-671 (Automatic Switch Company Dba Asco).

What NSN replaces 5360-01-249-4401?

There are 3 known substitutes for 5360-01-249-4401: 6150-00-692-4403, 1560-00-827-7629, 4730-01-507-8436. Verify interchangeability with system specifications before substitution.

What are the specifications of 66-671?

Key specifications for 66-671: Material: STEEL CORROSION RESISTING OVERALL. 1 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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