PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SMB187693Spring,helical,extension

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5360-00-663-3343 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-663-3343 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-663-3343. Primary manufacturer part number: SMB187693.
Features
  • Spring,helical,extension — FSC 5360
  • Coil Helix Direction: RIGHT-HAND OR LEFT-HAND
  • Spring Free Outside Diameter: 0.156 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Inside Diameter: 0.1262 INCHES NOMINAL IN
  • Hook Radius: 0.625 INCHES NOMINAL BOTH ENDS IN
  • Coil Quantity: 14-3/4
  • Style Designator: CYLINDRICAL
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 5360-00-663-3343, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 11 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-663-3343
Primary Part NumberSMB187693
Item NameSpring,helical,extension
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Coil Helix DirectionRIGHT-HAND OR LEFT-HAND
Spring Free Outside Diameter0.156 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Inside Diameter0.1262 INCHES NOMINAL IN
Hook Radius0.625 INCHES NOMINAL BOTH ENDS IN
Coil Quantity14-3/4
Style DesignatorCYLINDRICAL
Surface TreatmentTIN OVERALL
Design TypeCLOSED
Spring Free Length0.500 INCHES NOMINAL IN
End StyleSHORT TWISTED HOOK BOTH ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
2910-00-541-348656951 INTERCHANGEABLE
Filter Element,fluid
Pti Technologies Inc.
5365-00-783-483556591 INTERCHANGEABLE
Spacer,ring
Parker Hannifin Corporation Div Hydraulic Systems Division
5340-00-990-6410100-200-16-2 INTERCHANGEABLE
Clip,spring Tension
Atlee of Delaware, Incorporated
5930-01-311-786856591 INTERCHANGEABLE
Switch,thermostatic
Alliance Laundry Systems Llc
4720-01-515-45869805 INTERCHANGEABLE
Hose Assembly,nonmetallic
Pdi Ground Support Systems, Inc.
Cross-Reference Index
Part NumberManufacturer
56591 Kleinschmidt Inc (USA)
SMB187693 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
Related Parts
2910-00-541-3486INTERCHANGEABLE
FILTER ELEMENT,FLUID
56951
5365-00-783-4835INTERCHANGEABLE
SPACER,RING
56591
5340-00-990-6410INTERCHANGEABLE
CLIP,SPRING TENSION
100-200-16-2
5930-01-311-7868INTERCHANGEABLE
SWITCH,THERMOSTATIC
56591
4720-01-515-4586INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
9805

Frequently Asked Questions

What is NSN 5360-00-663-3343?

NSN 5360-00-663-3343 is a Spring,helical,extension, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-663-3343?

NSN 5360-00-663-3343 has 2 cross-referenced part numbers: 56591 (Kleinschmidt Inc), SMB187693 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir).

What NSN replaces 5360-00-663-3343?

There are 5 known substitutes for 5360-00-663-3343: 2910-00-541-3486, 5365-00-783-4835, 5340-00-990-6410 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SMB187693?

Key specifications for SMB187693: Coil Helix Direction: RIGHT-HAND OR LEFT-HAND; Spring Free Outside Diameter: 0.156 INCHES NOMINAL IN; Material: STEEL OVERALL; Inside Diameter: 0.1262 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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