PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

721300Spring,helical,extension

Wabco Construction and Mining Equipment Group Indianapolis Plant an American Standard Inc Co · NSN 5360-00-597-7237 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-597-7237 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-597-7237. Primary manufacturer part number: 721300.
Features
  • Spring,helical,extension — FSC 5360
  • Style Designator: CYLINDRICAL
  • Material: STEEL OVERALL
  • Inside Diameter: 0.311 INCHES NOMINAL IN
  • Spring Length Under Load: 3.469 INCHES NOMINAL IN
  • Load Rating: 4.37 POUNDS NOMINAL LBS
  • Spring Free Length: 1.564 INCHES NOMINAL IN
  • End Style: SHORT TWISTED HOOK BOTH ENDS
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 5360-00-597-7237, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Wabco Construction and Mining Equipment Group Indianapolis Plant an American Standard Inc Co. Government technical data includes 12 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
NSN5360-00-597-7237
Primary Part Number721300
Item NameSpring,helical,extension
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerWabco Construction and Mining Equipment Group Indianapolis Plant an American Standard Inc Co
StatusACTIVE
Style DesignatorCYLINDRICAL
MaterialSTEEL OVERALL
Inside Diameter0.311 INCHES NOMINAL IN
Spring Length Under Load3.469 INCHES NOMINAL IN
Load Rating4.37 POUNDS NOMINAL LBS
Spring Free Length1.564 INCHES NOMINAL IN
End StyleSHORT TWISTED HOOK BOTH ENDS
Hook Radius0.250 INCHES NOMINAL BOTH ENDS IN
Coil Quantity15-1/2
Coil Helix DirectionLEFT-HAND
Design TypeCLOSED
Spring Free Outside Diameter0.375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6740-00-102-536172-1300 INTERCHANGEABLE
Connector,spindle
Pakon Inc Dba Impak Division
2915-01-140-67295051T54P01 99207 INTERCHANGEABLE
Valve,fuel Cutoff
General Electric Company Dba Ge Aerospace
Cross-Reference Index
Part NumberManufacturer
721300 Wabco Construction and Mining Equipment Group Indianapolis Plant an American Standard Inc Co (USA)
Related Parts
6740-00-102-5361INTERCHANGEABLE
CONNECTOR,SPINDLE
72-1300
2915-01-140-6729INTERCHANGEABLE
VALVE,FUEL CUTOFF
5051T54P01 99207

Frequently Asked Questions

What is NSN 5360-00-597-7237?

NSN 5360-00-597-7237 is a Spring,helical,extension, manufactured by Wabco Construction and Mining Equipment Group Indianapolis Plant an American Standard Inc Co, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-597-7237?

NSN 5360-00-597-7237 has 1 cross-referenced part number: 721300 (Wabco Construction and Mining Equipment Group Indianapolis Plant an American Standard Inc Co).

What NSN replaces 5360-00-597-7237?

There are 2 known substitutes for 5360-00-597-7237: 6740-00-102-5361, 2915-01-140-6729. Verify interchangeability with system specifications before substitution.

What are the specifications of 721300?

Key specifications for 721300: Style Designator: CYLINDRICAL; Material: STEEL OVERALL; Inside Diameter: 0.311 INCHES NOMINAL IN; Spring Length Under Load: 3.469 INCHES NOMINAL IN. 12 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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