PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SM-B-71684Spring,helical,extension

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5360-00-633-0387 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-633-0387 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-633-0387. Primary manufacturer part number: SM-B-71684.
Features
  • Spring,helical,extension — FSC 5360
  • Spring Free Length: 0.696 INCHES NOMINAL IN
  • End Style: SHORT TWISTED HOOK BOTH ENDS
  • Material: STEEL OVERALL
  • Coil Quantity: 16-1/4
  • Inside Diameter: 0.160 INCHES NOMINAL IN
  • Coil Helix Direction: RIGHT-HAND OR LEFT-HAND
  • Spring Length Under Load: 1.062 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 5360-00-633-0387, 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 12 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-633-0387
Primary Part NumberSM-B-71684
Item NameSpring,helical,extension
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Spring Free Length0.696 INCHES NOMINAL IN
End StyleSHORT TWISTED HOOK BOTH ENDS
MaterialSTEEL OVERALL
Coil Quantity16-1/4
Inside Diameter0.160 INCHES NOMINAL IN
Coil Helix DirectionRIGHT-HAND OR LEFT-HAND
Spring Length Under Load1.062 INCHES NOMINAL IN
Design TypeCLOSED
Spring Free Outside Diameter0.200 INCHES NOMINAL IN
Load Rating1.250 POUNDS NOMINAL LBS
Hook Radius0.080 INCHES NOMINAL BOTH ENDS IN
Style DesignatorCYLINDRICAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4330-01-206-1108T24125-XCP INTERCHANGEABLE
Filter Element,fluid
Fluitek Corp
Cross-Reference Index
Part NumberManufacturer
58790 Kleinschmidt Inc (USA)
SM-B-71684 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
Related Parts
4330-01-206-1108INTERCHANGEABLE
FILTER ELEMENT,FLUID
T24125-XCP

Frequently Asked Questions

What is NSN 5360-00-633-0387?

NSN 5360-00-633-0387 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 5360-00-633-0387?

NSN 5360-00-633-0387 has 2 cross-referenced part numbers: 58790 (Kleinschmidt Inc), SM-B-71684 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir).

What NSN replaces 5360-00-633-0387?

There is 1 known substitute for 5360-00-633-0387: 4330-01-206-1108. Verify interchangeability with system specifications before substitution.

What are the specifications of SM-B-71684?

Key specifications for SM-B-71684: Spring Free Length: 0.696 INCHES NOMINAL IN; End Style: SHORT TWISTED HOOK BOTH ENDS; Material: STEEL OVERALL; Coil Quantity: 16-1/4. 12 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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