PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7318-2Spring,helical,compression

Cummins Inc. · NSN 5360-00-499-5581 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-499-5581 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-499-5581. Primary manufacturer part number: 7318-2.
Features
  • Spring,helical,compression — FSC 5360
  • End Style: SPRING END,SQUARED AND GROUND BOTH ENDS
  • Style Designator: CYLINDRICAL
  • Material: STEEL OVERALL
  • Spring Free Outside Diameter: 0.583 INCHES MINIMUM AND 0.623 INCHES MAXIMUM IN
  • Coil Helix Direction: RIGHT-HAND OR LEFT-HAND
  • Spring Solid Length: 1.281 INCHES NOMINAL IN
  • Spring Free Length: 1.561 INCHES MINIMUM AND 1.721 INCHES MAXIMUM IN
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Overall construction
General Description

The Spring,helical,compression, cataloged under National Stock Number 5360-00-499-5581, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Cummins Inc.. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references 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: Cancelled.

Technical Specifications
ParameterValue
NSN5360-00-499-5581
Primary Part Number7318-2
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerCummins Inc.
StatusCANCELLED
End StyleSPRING END,SQUARED AND GROUND BOTH ENDS
Style DesignatorCYLINDRICAL
MaterialSTEEL OVERALL
Spring Free Outside Diameter0.583 INCHES MINIMUM AND 0.623 INCHES MAXIMUM IN
Coil Helix DirectionRIGHT-HAND OR LEFT-HAND
Spring Solid Length1.281 INCHES NOMINAL IN
Spring Free Length1.561 INCHES MINIMUM AND 1.721 INCHES MAXIMUM IN
Inside Diameter0.439 INCHES MINIMUM AND 0.479 INCHES MAXIMUM IN
Coil Quantity14
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
3120-00-619-22312803K557 INTERCHANGEABLE
Bearing,washer,thrust
Meritor Heavy Vehicle Systems, Llc
2030-01-467-133173182 INTERCHANGEABLE
Winch,boat Davit
Palfinger Marine Usa, Llc
Cross-Reference Index
Part NumberManufacturer
7318-2 PRIMARY Cummins Inc. (USA)
L7318-2 Cummins Inc. (USA)
Related Parts
3120-00-619-2231INTERCHANGEABLE
BEARING,WASHER,THRUST
2803K557
2030-01-467-1331INTERCHANGEABLE
WINCH,BOAT DAVIT
73182

Frequently Asked Questions

What is NSN 5360-00-499-5581?

NSN 5360-00-499-5581 is a Spring,helical,compression, manufactured by Cummins Inc., classified under FSC 5360 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5360-00-499-5581?

NSN 5360-00-499-5581 has 2 cross-referenced part numbers: 7318-2 (Cummins Inc.), L7318-2 (Cummins Inc.).

What NSN replaces 5360-00-499-5581?

There are 2 known substitutes for 5360-00-499-5581: 3120-00-619-2231, 2030-01-467-1331. Verify interchangeability with system specifications before substitution.

What are the specifications of 7318-2?

Key specifications for 7318-2: End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Style Designator: CYLINDRICAL; Material: STEEL OVERALL; Spring Free Outside Diameter: 0.583 INCHES MINIMUM AND 0.623 INCHES MAXIMUM IN. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5360-00-499-5581 still in active supply?

NSN 5360-00-499-5581 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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