PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3525Spring,helical,extension

Coffin Turbo Pump Inc · NSN 5360-00-759-5529 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-759-5529 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-759-5529. Primary manufacturer part number: 3525.
Features
  • Spring,helical,extension — FSC 5360
  • Design Type: CLOSED
  • End Style: FULL LOOP BOTH ENDS
  • Spring Free Outside Diameter: 0.641 INCHES NOMINAL IN
  • Coil to Hook Inside Length: 0.562 INCHES NOMINAL BOTH ENDS IN
  • Style Designator: CYLINDRICAL
  • Coil Quantity: 21
  • Hook Radius: 0.281 INCHES NOMINAL BOTH ENDS IN
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 5360-00-759-5529, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Coffin Turbo Pump Inc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-759-5529
Primary Part Number3525
Item NameSpring,helical,extension
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerCoffin Turbo Pump Inc
StatusACTIVE
Design TypeCLOSED
End StyleFULL LOOP BOTH ENDS
Spring Free Outside Diameter0.641 INCHES NOMINAL IN
Coil to Hook Inside Length0.562 INCHES NOMINAL BOTH ENDS IN
Style DesignatorCYLINDRICAL
Coil Quantity21
Hook Radius0.281 INCHES NOMINAL BOTH ENDS IN
Spring Free Length3.141 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Coil Helix DirectionLEFT-HAND
Inside Diameter0.469 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6510-00-054-7254 INTERCHANGEABLE
Skin Closure,adhesive,surgical
3110-00-100-03750211588-9 INTERCHANGEABLE
Cup,tapered Roller Bearing
Agco Corp Parts Opn
2910-00-383-9263 INTERCHANGEABLE
Pump,fuel,cam Actuated
6730-00-463-87703525 INTERCHANGEABLE
Projector,still Picture
Leica Inc Surveying and Photogrammetry Systems Div
2815-00-510-587801525 INTERCHANGEABLE
Guide,valve Stem
Safeguard Powertech Systems
5950-00-552-18143003583 INTERCHANGEABLE
Transformer,power
L3harris Technologies, Inc.
6130-01-021-82743525-17 INTERCHANGEABLE
Power Supply
Odetics Inc Precision Time Div
5915-01-051-18453525 INTERCHANGEABLE
Filter,radio Frequency Interfere
Cinch Connectivity Solutions Inc
3950-01-095-4637 INTERCHANGEABLE
Hoist,chain
6145-01-113-99943525 INTERCHANGEABLE
Cable,special Purpose,electrical
Janor Wire & Cable Corp
Cross-Reference Index
Part NumberManufacturer
3525 Fmc Corp (USA)
3525 PRIMARY Coffin Turbo Pump Inc (USA)
Related Parts
6510-00-054-7254INTERCHANGEABLE
SKIN CLOSURE,ADHESIVE,SURGICAL
3110-00-100-0375INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
0211588-9
2910-00-383-9263INTERCHANGEABLE
PUMP,FUEL,CAM ACTUATED
6730-00-463-8770INTERCHANGEABLE
PROJECTOR,STILL PICTURE
3525
2815-00-510-5878INTERCHANGEABLE
GUIDE,VALVE STEM
01525
5950-00-552-1814INTERCHANGEABLE
TRANSFORMER,POWER
3003583
6130-01-021-8274INTERCHANGEABLE
POWER SUPPLY
3525-17
5915-01-051-1845INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
3525
3950-01-095-4637INTERCHANGEABLE
HOIST,CHAIN
6145-01-113-9994INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
3525
5340-01-235-1359INTERCHANGEABLE
STRAP,LINE SUPPORTING
3525
4140-01-262-5371INTERCHANGEABLE
IMPELLER,FAN,CENTRIFUGAL

Frequently Asked Questions

What is NSN 5360-00-759-5529?

NSN 5360-00-759-5529 is a Spring,helical,extension, manufactured by Coffin Turbo Pump Inc, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-759-5529?

NSN 5360-00-759-5529 has 2 cross-referenced part numbers: 3525 (Fmc Corp), 3525 (Coffin Turbo Pump Inc).

What NSN replaces 5360-00-759-5529?

There are 12 known substitutes for 5360-00-759-5529: 6510-00-054-7254, 3110-00-100-0375, 2910-00-383-9263 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3525?

Key specifications for 3525: Design Type: CLOSED; End Style: FULL LOOP BOTH ENDS; Spring Free Outside Diameter: 0.641 INCHES NOMINAL IN; Coil to Hook Inside Length: 0.562 INCHES NOMINAL BOTH ENDS IN. 11 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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