PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SMB171542Spring,helical,extension

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5360-00-663-3377 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-663-3377 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-663-3377. Primary manufacturer part number: SMB171542.
Features
  • Spring,helical,extension — FSC 5360
  • Coil Quantity: 11
  • Coil Helix Direction: RIGHT-HAND OR LEFT-HAND
  • Inside Diameter: 0.197 INCHES NOMINAL IN
  • Spring Free Outside Diameter: 0.125 INCHES NOMINAL IN
  • Hook Radius: 0.0455 INCHES NOMINAL BOTH ENDS IN
  • Material: STEEL OVERALL
  • Spring Free Length: 0.375 INCHES NOMINAL IN
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 5360-00-663-3377, 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-663-3377
Primary Part NumberSMB171542
Item NameSpring,helical,extension
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Coil Quantity11
Coil Helix DirectionRIGHT-HAND OR LEFT-HAND
Inside Diameter0.197 INCHES NOMINAL IN
Spring Free Outside Diameter0.125 INCHES NOMINAL IN
Hook Radius0.0455 INCHES NOMINAL BOTH ENDS IN
MaterialSTEEL OVERALL
Spring Free Length0.375 INCHES NOMINAL IN
Style DesignatorCYLINDRICAL
End StyleSHORT TWISTED HOOK BOTH ENDS
Surface TreatmentTIN OVERALL
Design TypeCLOSED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3455-00-021-2406 INTERCHANGEABLE
File,rotary
3455-00-224-365009200 INTERCHANGEABLE
Cutter,milling,metal Slitting
Niagara Cutter Inc
4730-00-254-62110716-MM5-BB02 INTERCHANGEABLE
Elbow,pipe to Tube
The Shyft Group Usa, Inc Dba the Shyft Group Usa, Inc
5961-00-437-3337MRW52501 INTERCHANGEABLE
Transistor
U S Dept of Transportation Federal Aviation Administration
5340-00-776-7258 INTERCHANGEABLE
Cover,access
6130-01-195-430452501 INTERCHANGEABLE
Rectifier Assembly,metallic
National Oil Well Dba Iec Baylor
2590-01-671-92665250-1 INTERCHANGEABLE
Door,access,utility
Tru-Hitch, Inc.
Cross-Reference Index
Part NumberManufacturer
52501 Kleinschmidt Inc (USA)
SMB171542 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
Related Parts
3455-00-021-2406INTERCHANGEABLE
FILE,ROTARY
3455-00-224-3650INTERCHANGEABLE
CUTTER,MILLING,METAL SLITTING
09200
4730-00-254-6211INTERCHANGEABLE
ELBOW,PIPE TO TUBE
0716-MM5-BB02
5961-00-437-3337INTERCHANGEABLE
TRANSISTOR
MRW52501
5340-00-776-7258INTERCHANGEABLE
COVER,ACCESS
6130-01-195-4304INTERCHANGEABLE
RECTIFIER ASSEMBLY,METALLIC
52501
2590-01-671-9266INTERCHANGEABLE
DOOR,ACCESS,UTILITY
5250-1

Frequently Asked Questions

What is NSN 5360-00-663-3377?

NSN 5360-00-663-3377 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 5360-00-663-3377?

NSN 5360-00-663-3377 has 2 cross-referenced part numbers: 52501 (Kleinschmidt Inc), SMB171542 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir).

What NSN replaces 5360-00-663-3377?

There are 7 known substitutes for 5360-00-663-3377: 3455-00-021-2406, 3455-00-224-3650, 4730-00-254-6211 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SMB171542?

Key specifications for SMB171542: Coil Quantity: 11; Coil Helix Direction: RIGHT-HAND OR LEFT-HAND; Inside Diameter: 0.197 INCHES NOMINAL IN; Spring Free Outside Diameter: 0.125 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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