PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

26903Spring,helical,extension

Briggs and Stratton Corp · NSN 5360-00-249-5904 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-249-5904 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-249-5904. Primary manufacturer part number: 26903.
Features
  • Spring,helical,extension — FSC 5360
  • Surface Treatment: ZINC OVERALL
  • Coil Helix Direction: RIGHT-HAND
  • Spring Free Length: 2.688 INCHES NOMINAL IN
  • Coil Quantity: 30
  • End Style: MACHINED HALF LOOP FIRST END
  • Opening Width: 0.250 INCHES NOMINAL BOTH ENDS IN
  • Spring Free Outside Diameter: 0.375 INCHES NOMINAL 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 5360-00-249-5904, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Briggs and Stratton Corp. Government technical data includes 14 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-249-5904
Primary Part Number26903
Item NameSpring,helical,extension
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerBriggs and Stratton Corp
StatusACTIVE
Surface TreatmentZINC OVERALL
Coil Helix DirectionRIGHT-HAND
Spring Free Length2.688 INCHES NOMINAL IN
Coil Quantity30
End StyleMACHINED HALF LOOP FIRST END
Opening Width0.250 INCHES NOMINAL BOTH ENDS IN
Spring Free Outside Diameter0.375 INCHES NOMINAL IN
Style DesignatorCYLINDRICAL
Opening Width0.063 INCHES NOMINAL FIRST END IN
Spring Deflection Rate2.000 POUNDS PER INCH NOMINAL LBS
Design TypeCLOSED
MaterialSTEEL OVERALL
Coil to Hook Inside Length1.188 INCHES NOMINAL SECOND END IN
End StyleOFFSET HOOK, SIDE SECOND END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5330-00-447-3473839469 INTERCHANGEABLE
Gasket
General Motors Corp
5340-01-079-780326823 INTERCHANGEABLE
Plunger,quick Release
Jergens Inc Div Tooling Components Division
Cross-Reference Index
Part NumberManufacturer
26903 PRIMARY Briggs and Stratton Corp (USA)
Related Parts
5330-00-447-3473INTERCHANGEABLE
GASKET
839469
5340-01-079-7803INTERCHANGEABLE
PLUNGER,QUICK RELEASE
26823

Frequently Asked Questions

What is NSN 5360-00-249-5904?

NSN 5360-00-249-5904 is a Spring,helical,extension, manufactured by Briggs and Stratton Corp, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-249-5904?

NSN 5360-00-249-5904 has 1 cross-referenced part number: 26903 (Briggs and Stratton Corp).

What NSN replaces 5360-00-249-5904?

There are 2 known substitutes for 5360-00-249-5904: 5330-00-447-3473, 5340-01-079-7803. Verify interchangeability with system specifications before substitution.

What are the specifications of 26903?

Key specifications for 26903: Surface Treatment: ZINC OVERALL; Coil Helix Direction: RIGHT-HAND; Spring Free Length: 2.688 INCHES NOMINAL IN; Coil Quantity: 30. 14 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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