PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

52602Spring,helical,extension

Kleinschmidt Inc · NSN 5360-00-543-4366 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-543-4366 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-543-4366. Primary manufacturer part number: 52602.
Features
  • Spring,helical,extension — FSC 5360
  • Spring Length Under Load: 1.050 INCHES NOMINAL IN
  • Style Designator: CYLINDRICAL
  • Spring Free Length: 1.050 INCHES NOMINAL IN
  • Hook Radius: 0.074 INCHES NOMINAL BOTH ENDS IN
  • Material: STEEL OVERALL
  • Spring Free Outside Diameter: 0.197 INCHES NOMINAL IN
  • Design Type: CLOSED
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 5360-00-543-4366, 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 13 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5360-00-543-4366
Primary Part Number52602
Item NameSpring,helical,extension
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerKleinschmidt Inc
StatusCANCELLED
Spring Length Under Load1.050 INCHES NOMINAL IN
Style DesignatorCYLINDRICAL
Spring Free Length1.050 INCHES NOMINAL IN
Hook Radius0.074 INCHES NOMINAL BOTH ENDS IN
MaterialSTEEL OVERALL
Spring Free Outside Diameter0.197 INCHES NOMINAL IN
Design TypeCLOSED
Coil Quantity19
Coil Helix DirectionRIGHT-HAND
End StyleSHORT TWISTED HOOK BOTH ENDS
Surface TreatmentTIN OVERALL
Inside Diameter0.047 INCHES NOMINAL IN
Load Rating33.500 POUNDS NOMINAL LBS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3040-00-113-94665260-2 INTERCHANGEABLE
Shaft Assembly
Eaton Corporation Div Eaton Fluid Power
3110-00-142-4364342S INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
4730-00-165-490152602 INTERCHANGEABLE
Nut,tube Coupling
Lourdes Industries, Inc.
5895-00-908-4270 INTERCHANGEABLE
Amplifier,gyro
6220-01-199-31963895020 INTERCHANGEABLE
Stop Light-Taillight,vehicular
Chrysler Realty Company Llc Dba Daimler Chrysler
4310-01-230-3758 INTERCHANGEABLE
Stem,pump
4320-01-369-0365 INTERCHANGEABLE
Pump,reciprocating
4320-01-374-5153 INTERCHANGEABLE
Guide,spring
4730-01-374-7495 INTERCHANGEABLE
Packing Nut
4320-01-374-8278 INTERCHANGEABLE
Head,piston,special
Cross-Reference Index
Part NumberManufacturer
52602 Kleinschmidt Inc (USA)
Related Parts
3040-00-113-9466INTERCHANGEABLE
SHAFT ASSEMBLY
5260-2
3110-00-142-4364INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
342S
4730-00-165-4901INTERCHANGEABLE
NUT,TUBE COUPLING
52602
5895-00-908-4270INTERCHANGEABLE
AMPLIFIER,GYRO
6220-01-199-3196INTERCHANGEABLE
STOP LIGHT-TAILLIGHT,VEHICULAR
3895020
4310-01-230-3758INTERCHANGEABLE
STEM,PUMP
4320-01-369-0365INTERCHANGEABLE
PUMP,RECIPROCATING
4320-01-374-5153INTERCHANGEABLE
GUIDE,SPRING
4730-01-374-7495INTERCHANGEABLE
PACKING NUT
4320-01-374-8278INTERCHANGEABLE
HEAD,PISTON,SPECIAL
4320-01-374-8279INTERCHANGEABLE
RING,EXTRUSION
4330-01-374-8280INTERCHANGEABLE
RING,EXTRUSION

Frequently Asked Questions

What is NSN 5360-00-543-4366?

NSN 5360-00-543-4366 is a Spring,helical,extension, manufactured by Kleinschmidt Inc, classified under FSC 5360 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5360-00-543-4366?

NSN 5360-00-543-4366 has 1 cross-referenced part number: 52602 (Kleinschmidt Inc).

What NSN replaces 5360-00-543-4366?

There are 12 known substitutes for 5360-00-543-4366: 3040-00-113-9466, 3110-00-142-4364, 4730-00-165-4901 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 52602?

Key specifications for 52602: Spring Length Under Load: 1.050 INCHES NOMINAL IN; Style Designator: CYLINDRICAL; Spring Free Length: 1.050 INCHES NOMINAL IN; Hook Radius: 0.074 INCHES NOMINAL BOTH ENDS IN. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5360-00-543-4366 still in active supply?

NSN 5360-00-543-4366 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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