PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

56269Spring,helical,torsion

Kleinschmidt Inc · NSN 5360-00-523-8664 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-523-8664 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-523-8664. Primary manufacturer part number: 56269.
Features
  • Spring,helical,torsion — FSC 5360
  • End Angular Relationship: ENDS ANGLED ONE TO OTHER
  • Coil Helix Direction: LEFT-HAND
  • Surface Treatment: TIN OVERALL
  • Spring Free Length: 0.070 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
  • Spring Free Outside Diameter: 0.587 INCHES NOMINAL IN
  • Coil Quantity: 1-3/4
  • Style Designator: SINGLE TORSION LEFT HAND
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Overall construction
General Description

The Spring,helical,torsion, cataloged under National Stock Number 5360-00-523-8664, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Kleinschmidt Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-523-8664
Primary Part Number56269
Item NameSpring,helical,torsion
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerKleinschmidt Inc
StatusACTIVE
End Angular RelationshipENDS ANGLED ONE TO OTHER
Coil Helix DirectionLEFT-HAND
Surface TreatmentTIN OVERALL
Spring Free Length0.070 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
Spring Free Outside Diameter0.587 INCHES NOMINAL IN
Coil Quantity1-3/4
Style DesignatorSINGLE TORSION LEFT HAND
MaterialSTEEL OVERALL
Inside Diameter0.516 INCHES MINIMUM AND 0.546 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4730-00-139-3885 INTERCHANGEABLE
Adapter,straight,pipe to Tube
2805-00-766-8163AB97B INTERCHANGEABLE
Cylinder Head,gasoline Engine
Wisconsin Motors, Llc
5315-01-199-347956-269AP INTERCHANGEABLE
Key,woodruff
Acme Products & Engineering Inc
Cross-Reference Index
Part NumberManufacturer
56269 Kleinschmidt Inc (USA)
SMB187460 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
Related Parts
4730-00-139-3885INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
2805-00-766-8163INTERCHANGEABLE
CYLINDER HEAD,GASOLINE ENGINE
AB97B
5315-01-199-3479INTERCHANGEABLE
KEY,WOODRUFF
56-269AP

Frequently Asked Questions

What is NSN 5360-00-523-8664?

NSN 5360-00-523-8664 is a Spring,helical,torsion, manufactured by Kleinschmidt Inc, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-523-8664?

NSN 5360-00-523-8664 has 2 cross-referenced part numbers: 56269 (Kleinschmidt Inc), SMB187460 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir).

What NSN replaces 5360-00-523-8664?

There are 3 known substitutes for 5360-00-523-8664: 4730-00-139-3885, 2805-00-766-8163, 5315-01-199-3479. Verify interchangeability with system specifications before substitution.

What are the specifications of 56269?

Key specifications for 56269: End Angular Relationship: ENDS ANGLED ONE TO OTHER; Coil Helix Direction: LEFT-HAND; Surface Treatment: TIN OVERALL; Spring Free Length: 0.070 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN. 9 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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