PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

100399Spring,helical,extension

General Motors Corp · NSN 5360-00-260-3926 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-260-3926 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-260-3926. Primary manufacturer part number: 100399.
Features
  • Spring,helical,extension — FSC 5360
  • Inside Diameter: 0.3943 INCHES NOMINAL IN
  • Design Type: CLOSED
  • Coil Helix Direction: RIGHT-HAND OR LEFT-HAND
  • Coil Quantity: 69
  • End Style: DOUBLE TWIST LOOP SECOND END
  • Spring Free Length: 4.000 INCHES NOMINAL IN
  • Material: STEEL OVERALL
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 5360-00-260-3926, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is General Motors Corp. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5360-00-260-3926
Primary Part Number100399
Item NameSpring,helical,extension
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerGeneral Motors Corp
StatusCANCELLED
Inside Diameter0.3943 INCHES NOMINAL IN
Design TypeCLOSED
Coil Helix DirectionRIGHT-HAND OR LEFT-HAND
Coil Quantity69
End StyleDOUBLE TWIST LOOP SECOND END
Spring Free Length4.000 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Spring Free Outside Diameter0.484 INCHES NOMINAL IN
Hook Radius0.1962 INCHES NOMINAL BOTH ENDS IN
Style DesignatorCYLINDRICAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5950-00-647-5494763694 INTERCHANGEABLE
Transformer,power
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5305-01-266-8530 INTERCHANGEABLE
Screw,machine
6650-01-306-2941100399 INTERCHANGEABLE
Mount,telescope
West Tech Systems Inc Dba Western Technical Associates
6685-01-557-4419 INTERCHANGEABLE
Thermometer,self-Indicating,bime
6670-01-588-3614100399 INTERCHANGEABLE
Calibration Kit,weighing Scale,e
Intercomp Co
1095-01-720-0734100399 INTERCHANGEABLE
Cartridge,non-Lethal Firing Devi
Axon Enterprise, Inc.
Cross-Reference Index
Part NumberManufacturer
100399 General Motors Corp (USA)
9100399 Terex Corp (USA)
9100399 General Motors Corp (USA)
100399 Terex Corp (USA)
Related Parts
5950-00-647-5494INTERCHANGEABLE
TRANSFORMER,POWER
763694
5305-01-266-8530INTERCHANGEABLE
SCREW,MACHINE
6650-01-306-2941INTERCHANGEABLE
MOUNT,TELESCOPE
100399
6685-01-557-4419INTERCHANGEABLE
THERMOMETER,SELF-INDICATING,BIME
6670-01-588-3614INTERCHANGEABLE
CALIBRATION KIT,WEIGHING SCALE,E
100399
1095-01-720-0734INTERCHANGEABLE
CARTRIDGE,NON-LETHAL FIRING DEVI
100399

Frequently Asked Questions

What is NSN 5360-00-260-3926?

NSN 5360-00-260-3926 is a Spring,helical,extension, manufactured by General Motors Corp, classified under FSC 5360 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5360-00-260-3926?

NSN 5360-00-260-3926 has 4 cross-referenced part numbers: 100399 (General Motors Corp), 9100399 (Terex Corp), 9100399 (General Motors Corp), 100399 (Terex Corp).

What NSN replaces 5360-00-260-3926?

There are 6 known substitutes for 5360-00-260-3926: 5950-00-647-5494, 5305-01-266-8530, 6650-01-306-2941 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 100399?

Key specifications for 100399: Inside Diameter: 0.3943 INCHES NOMINAL IN; Design Type: CLOSED; Coil Helix Direction: RIGHT-HAND OR LEFT-HAND; Coil Quantity: 69. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5360-00-260-3926 still in active supply?

NSN 5360-00-260-3926 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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