PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

200661Spring,helical,extension

Heil Environmental Industries · NSN 5360-00-598-6625 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-598-6625 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-598-6625. Primary manufacturer part number: 200661.
Features
  • Spring,helical,extension — FSC 5360
  • Spring Length Under Load: 30.000 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Inside Diameter: 0.625 INCHES NOMINAL IN
  • Style Designator: CYLINDRICAL
  • Opening Width: 0.188 INCHES NOMINAL BOTH ENDS IN
  • Design Type: CLOSED
  • Load Rating: 4.00 POUNDS MINIMUM AND 6.00 POUNDS MAXIMUM LBS
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Overall construction
General Description

The Spring,helical,extension, cataloged under National Stock Number 5360-00-598-6625, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Heil Environmental Industries. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 16 commercial cross-references from 15 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5360-00-598-6625
Primary Part Number200661
Item NameSpring,helical,extension
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerHeil Environmental Industries
StatusCANCELLED
Spring Length Under Load30.000 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Inside Diameter0.625 INCHES NOMINAL IN
Style DesignatorCYLINDRICAL
Opening Width0.188 INCHES NOMINAL BOTH ENDS IN
Design TypeCLOSED
Load Rating4.00 POUNDS MINIMUM AND 6.00 POUNDS MAXIMUM LBS
Spring Free Length13.108 INCHES NOMINAL IN
Hook Radius0.313 INCHES NOMINAL BOTH ENDS IN
Spring Free Outside Diameter0.733 INCHES NOMINAL IN
Surface TreatmentCADMIUM OVERALL
Material Document and ClassificationQQ-W-474,COMP A /D/ FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Coil Helix DirectionRIGHT-HAND OR LEFT-HAND
End StyleMACHINE LOOP BOTH ENDS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4210-00-242-84673218-8023-5 INTERCHANGEABLE
Lock Assembly,travel
Kidde Fire Fighting, Inc. Div National Foam
5950-00-409-0938 INTERCHANGEABLE
Transformer,relays
5330-00-481-012611628 INTERCHANGEABLE
Seal,plain Encased
Armstrong Pumps Inc
4820-00-549-473520066-1 INTERCHANGEABLE
Valve,suction
Ontic Engineering & Manufacturing, Inc Dba Ontic Us
5950-00-646-070111628 INTERCHANGEABLE
Transformer,radio Frequency
Entron Industries Limited Partnership Dba Entron Industries Property Div
5360-00-881-0714MS24585C337 INTERCHANGEABLE
Spring,helical,compression
Sae International Dba Sae International
5950-01-044-757318445 INTERCHANGEABLE
Transformer,current
Unitron, Lp Dba Unitron Power Systems, Lp ; Atlas Marine Systems
6210-01-063-2078 INTERCHANGEABLE
Light,indicator
4220-01-241-0909200-661 INTERCHANGEABLE
Connector,rebreather
Biomarine Inc
5920-01-292-068611628 INTERCHANGEABLE
Fuse,enclosed Link
Titan Corporation Dba Pulse Sciences
Cross-Reference Index
Part NumberManufacturer
200661 Gate City Steel Corp (USA)
200661 PRIMARY Heil Environmental Industries (USA)
200661N PRIMARY Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems (USA)
18445 Diamond Reo Truck Co (USA)
2988F Oshkosh Corp (USA)
200661 PRIMARY Kenworth Truck Co a Div of Paccar Inc (USA)
200661 Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems (USA)
25N0195 Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.) (USA)
BW200661 Fruehauf Corp Fruehauf Div (USA)
10A2962 PRIMARY Napco International Llc Dba Napco International Inc (USA)
200661 Olson Mfg Co (USA)
1-1628 PRIMARY Terex Usa, Llc Dba Terex Equipment Services (USA)
2988F PRIMARY Jason Incorporated Dba Osborn International a Unit of Jason (USA)
200661 Rivinius Inc Littleford Machinery Div (USA)
0144064 Daf Trucks N.v. (NLD)
2988F PRIMARY Oshkosh Defense Llc (USA)
Related Parts
4210-00-242-8467INTERCHANGEABLE
LOCK ASSEMBLY,TRAVEL
3218-8023-5
5950-00-409-0938INTERCHANGEABLE
TRANSFORMER,RELAYS
5330-00-481-0126INTERCHANGEABLE
SEAL,PLAIN ENCASED
11628
4820-00-549-4735INTERCHANGEABLE
VALVE,SUCTION
20066-1
5950-00-646-0701INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
11628
5360-00-881-0714INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
MS24585C337
5950-01-044-7573INTERCHANGEABLE
TRANSFORMER,CURRENT
18445
6210-01-063-2078INTERCHANGEABLE
LIGHT,INDICATOR
4220-01-241-0909INTERCHANGEABLE
CONNECTOR,REBREATHER
200-661
5920-01-292-0686INTERCHANGEABLE
FUSE,ENCLOSED LINK
11628
5330-01-364-2484INTERCHANGEABLE
GASKET
11628
6130-01-378-6778INTERCHANGEABLE
POWER SUPPLY
10410

Frequently Asked Questions

What is NSN 5360-00-598-6625?

NSN 5360-00-598-6625 is a Spring,helical,extension, manufactured by Heil Environmental Industries, classified under FSC 5360 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5360-00-598-6625?

NSN 5360-00-598-6625 has 16 cross-referenced part numbers: 200661 (Gate City Steel Corp), 200661 (Heil Environmental Industries), 200661N (Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems), 18445 (Diamond Reo Truck Co), 2988F (Oshkosh Corp) and 11 more.

What NSN replaces 5360-00-598-6625?

There are 12 known substitutes for 5360-00-598-6625: 4210-00-242-8467, 5950-00-409-0938, 5330-00-481-0126 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 200661?

Key specifications for 200661: Spring Length Under Load: 30.000 INCHES NOMINAL IN; Material: STEEL OVERALL; Inside Diameter: 0.625 INCHES NOMINAL IN; Style Designator: CYLINDRICAL. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5360-00-598-6625 still in active supply?

NSN 5360-00-598-6625 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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