PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

13729Spring,helical,extension

Fairbanks Morse, Llc · NSN 5360-00-598-7062 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-598-7062 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-598-7062. Primary manufacturer part number: 13729.
Features
  • Spring,helical,extension — FSC 5360
  • Style Designator: CYLINDRICAL
  • Material Document and Classification: SAE 1056 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Spring Free Outside Diameter: 0.563 INCHES NOMINAL IN
  • Spring Free Length: 2.501 INCHES NOMINAL IN
  • Spring Length Under Load: 2.875 INCHES NOMINAL IN
  • Coil Helix Direction: RIGHT-HAND OR LEFT-HAND
  • Load Rating: 7.00 POUNDS NOMINAL LBS
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 5360-00-598-7062, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fairbanks Morse, Llc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-598-7062
Primary Part Number13729
Item NameSpring,helical,extension
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerFairbanks Morse, Llc
StatusACTIVE
Style DesignatorCYLINDRICAL
Material Document and ClassificationSAE 1056 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Spring Free Outside Diameter0.563 INCHES NOMINAL IN
Spring Free Length2.501 INCHES NOMINAL IN
Spring Length Under Load2.875 INCHES NOMINAL IN
Coil Helix DirectionRIGHT-HAND OR LEFT-HAND
Load Rating7.00 POUNDS NOMINAL LBS
End StyleEYE LOOP BOTH ENDS
Spring Deflection Rate10.000 POUNDS PER INCH NOMINAL LBS
Design TypeCLOSED
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
6130-00-226-8754 INTERCHANGEABLE
Power Supply Subassembly
4130-00-613-7111B458-119 INTERCHANGEABLE
Filter Element,air Conditioning
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
5950-01-168-5849SM-A-959306 INTERCHANGEABLE
Transformer,power
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4210-01-601-392413729 INTERCHANGEABLE
Nozzle,fire Extinguisher
Amerex Corporation Dba Amerex Corp
Cross-Reference Index
Part NumberManufacturer
13729 PRIMARY Fairbanks Morse, Llc (USA)
T13729 PRIMARY Napco International Llc Dba Napco International Inc (USA)
13729 Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
13729 PRIMARY Napco International Llc Dba Napco International Inc (USA)
Related Parts
6130-00-226-8754INTERCHANGEABLE
POWER SUPPLY SUBASSEMBLY
4130-00-613-7111INTERCHANGEABLE
FILTER ELEMENT,AIR CONDITIONING
B458-119
5950-01-168-5849INTERCHANGEABLE
TRANSFORMER,POWER
SM-A-959306
4210-01-601-3924INTERCHANGEABLE
NOZZLE,FIRE EXTINGUISHER
13729

Frequently Asked Questions

What is NSN 5360-00-598-7062?

NSN 5360-00-598-7062 is a Spring,helical,extension, manufactured by Fairbanks Morse, Llc, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-598-7062?

NSN 5360-00-598-7062 has 4 cross-referenced part numbers: 13729 (Fairbanks Morse, Llc), T13729 (Napco International Llc Dba Napco International Inc), 13729 (Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine), 13729 (Napco International Llc Dba Napco International Inc).

What NSN replaces 5360-00-598-7062?

There are 4 known substitutes for 5360-00-598-7062: 6130-00-226-8754, 4130-00-613-7111, 5950-01-168-5849 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 13729?

Key specifications for 13729: Style Designator: CYLINDRICAL; Material Document and Classification: SAE 1056 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Spring Free Outside Diameter: 0.563 INCHES NOMINAL IN; Spring Free Length: 2.501 INCHES NOMINAL 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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