PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R407Spring,helical,extension

Simplex Time Recorder Llc · NSN 5360-00-209-9956 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-209-9956 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-209-9956. Primary manufacturer part number: R407.
Features
  • Spring,helical,extension — FSC 5360
  • Spring Free Length: 2.189 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Inside Diameter: 0.211 INCHES NOMINAL IN
  • Coil Quantity: 48
  • Spring Free Outside Diameter: 0.281 INCHES NOMINAL IN
  • Style Designator: CYLINDRICAL
  • Hook Radius: 0.105 INCHES NOMINAL BOTH ENDS 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 5360-00-209-9956, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Simplex Time Recorder Llc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5360-00-209-9956
Primary Part NumberR407
Item NameSpring,helical,extension
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerSimplex Time Recorder Llc
StatusCANCELLED
Spring Free Length2.189 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Inside Diameter0.211 INCHES NOMINAL IN
Coil Quantity48
Spring Free Outside Diameter0.281 INCHES NOMINAL IN
Style DesignatorCYLINDRICAL
Hook Radius0.105 INCHES NOMINAL BOTH ENDS IN
Coil Helix DirectionLEFT-HAND
End StyleSHORT TWISTED HOOK BOTH ENDS
Design TypeCLOSED
Surface TreatmentCADMIUM OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
3020-00-128-8982103972 INTERCHANGEABLE
Gear,spur
Astronautics Corporation of America
3110-00-198-2280 INTERCHANGEABLE
Cone and Rollers,tapered Roller
5962-01-031-1918 INTERCHANGEABLE
Microcircuit,digital
5999-01-199-7463 INTERCHANGEABLE
Mounting Pad,electrical-Electron
Cross-Reference Index
Part NumberManufacturer
R407 Templeton Kenly and Co Inc (USA)
R407 PRIMARY Simplex Time Recorder Llc (USA)
103972 Viking Technologies, Ltd. (USA)
Related Parts
3020-00-128-8982INTERCHANGEABLE
GEAR,SPUR
103972
3110-00-198-2280INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
5962-01-031-1918INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5999-01-199-7463INTERCHANGEABLE
MOUNTING PAD,ELECTRICAL-ELECTRON

Frequently Asked Questions

What is NSN 5360-00-209-9956?

NSN 5360-00-209-9956 is a Spring,helical,extension, manufactured by Simplex Time Recorder Llc, classified under FSC 5360 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5360-00-209-9956?

NSN 5360-00-209-9956 has 3 cross-referenced part numbers: R407 (Templeton Kenly and Co Inc), R407 (Simplex Time Recorder Llc), 103972 (Viking Technologies, Ltd.).

What NSN replaces 5360-00-209-9956?

There are 4 known substitutes for 5360-00-209-9956: 3020-00-128-8982, 3110-00-198-2280, 5962-01-031-1918 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of R407?

Key specifications for R407: Spring Free Length: 2.189 INCHES NOMINAL IN; Material: STEEL OVERALL; Inside Diameter: 0.211 INCHES NOMINAL IN; Coil Quantity: 48. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5360-00-209-9956 still in active supply?

NSN 5360-00-209-9956 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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