PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SMB171543Spring,helical,extension

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5360-00-664-2137 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-664-2137 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-664-2137. Primary manufacturer part number: SMB171543.
Features
  • Spring,helical,extension — FSC 5360
  • Inside Diameter: 0.104 INCHES NOMINAL IN
  • Hook Radius: 0.054 INCHES NOMINAL BOTH ENDS IN
  • Material: STEEL OVERALL
  • Design Type: CLOSED
  • End Style: SHORT TWISTED HOOK BOTH ENDS
  • Surface Treatment: TIN OVERALL
  • 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 5360-00-664-2137, 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
NSN5360-00-664-2137
Primary Part NumberSMB171543
Item NameSpring,helical,extension
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Inside Diameter0.104 INCHES NOMINAL IN
Hook Radius0.054 INCHES NOMINAL BOTH ENDS IN
MaterialSTEEL OVERALL
Design TypeCLOSED
End StyleSHORT TWISTED HOOK BOTH ENDS
Surface TreatmentTIN OVERALL
Style DesignatorCYLINDRICAL
Spring Free Length0.609 INCHES NOMINAL IN
Coil Quantity42-1/2
Spring Free Outside Diameter0.120 INCHES NOMINAL IN
Coil Helix DirectionLEFT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4730-00-196-2058A733S-97CFB INTERCHANGEABLE
Nipple,pipe
American Society for Testing and Materials Dba Astm International
3110-00-371-204855143 INTERCHANGEABLE
Plate,retaining,bearing
Cae Usa Inc.
5330-00-467-334655143 INTERCHANGEABLE
Ring,wiper
Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling
2510-00-770-21227702122 INTERCHANGEABLE
Cover
U S Army Tank Automotive Command Amsta-Im-Mm
5960-01-061-9166VRX-7222A INTERCHANGEABLE
Electron Tube
Varian Associates Inc Thin Film Technology Div
Cross-Reference Index
Part NumberManufacturer
55143 Kleinschmidt Inc (USA)
SMB171543 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
Related Parts
4730-00-196-2058INTERCHANGEABLE
NIPPLE,PIPE
A733S-97CFB
3110-00-371-2048INTERCHANGEABLE
PLATE,RETAINING,BEARING
55143
5330-00-467-3346INTERCHANGEABLE
RING,WIPER
55143
2510-00-770-2122INTERCHANGEABLE
COVER
7702122
5960-01-061-9166INTERCHANGEABLE
ELECTRON TUBE
VRX-7222A

Frequently Asked Questions

What is NSN 5360-00-664-2137?

NSN 5360-00-664-2137 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 5360-00-664-2137?

NSN 5360-00-664-2137 has 2 cross-referenced part numbers: 55143 (Kleinschmidt Inc), SMB171543 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir).

What NSN replaces 5360-00-664-2137?

There are 5 known substitutes for 5360-00-664-2137: 4730-00-196-2058, 3110-00-371-2048, 5330-00-467-3346 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SMB171543?

Key specifications for SMB171543: Inside Diameter: 0.104 INCHES NOMINAL IN; Hook Radius: 0.054 INCHES NOMINAL BOTH ENDS IN; Material: STEEL OVERALL; Design Type: CLOSED. 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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