PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31783Spring,helical,compression

Eaton Aerospace Llc Dba Eaton Aerospace Jackson · NSN 5360-01-020-1661 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-01-020-1661 — this item is cataloged by the U.S. Government under National Stock Number 5360-01-020-1661. Primary manufacturer part number: 31783.
Features
  • Spring,helical,compression — FSC 5360
  • Material: STEEL COMP 631 OVERALL
  • Surface Treatment: PASSIVATE OVERALL
  • Spring Deflection Rate: 63.000 POUNDS PER INCH NOMINAL LBS
  • Load Rating: 4.000 POUNDS NOMINAL LBS
  • Coil Quantity: 6.5
  • Spring Free Outside Diameter: 0.198 INCHES MAXIMUM IN
  • Material Document and Classification: AMS 5673 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Comp 631 Overall construction
General Description

The Spring,helical,compression, cataloged under National Stock Number 5360-01-020-1661, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Eaton Aerospace Llc Dba Eaton Aerospace Jackson. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5360-01-020-1661
Primary Part Number31783
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerEaton Aerospace Llc Dba Eaton Aerospace Jackson
StatusACTIVE
MaterialSTEEL COMP 631 OVERALL
Surface TreatmentPASSIVATE OVERALL
Spring Deflection Rate63.000 POUNDS PER INCH NOMINAL LBS
Load Rating4.000 POUNDS NOMINAL LBS
Coil Quantity6.5
Spring Free Outside Diameter0.198 INCHES MAXIMUM IN
Material Document and ClassificationAMS 5673 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Inside Diameter0.138 INCHES NOMINAL IN
Spring Free Length0.345 INCHES NOMINAL IN
Style DesignatorCYLINDRICAL
Spring Length Under Load0.281 INCHES NOMINAL IN
Coil Helix DirectionRIGHT-HAND OR LEFT-HAND
End StyleSPRING END,SQUARED AND GROUND BOTH ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5950-00-051-3827 INTERCHANGEABLE
Transformer,power
5330-00-329-98953-17-8-3 INTERCHANGEABLE
Gasket
Gas Equipment Engineering Corporation, the Dba Geeco
5950-00-754-592931783 INTERCHANGEABLE
Transformer,power
Freed Transformer Co
3455-01-045-4015ER-32-4 INTERCHANGEABLE
Cutter,milling,end
Brubaker Tool Corp
7540-01-603-0317TRAUMA REGISTRY FORM INTERCHANGEABLE
Form,printed
Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia
Cross-Reference Index
Part NumberManufacturer
31783 PRIMARY Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA)
Related Parts
5950-00-051-3827INTERCHANGEABLE
TRANSFORMER,POWER
5330-00-329-9895INTERCHANGEABLE
GASKET
3-17-8-3
5950-00-754-5929INTERCHANGEABLE
TRANSFORMER,POWER
31783
3455-01-045-4015INTERCHANGEABLE
CUTTER,MILLING,END
ER-32-4
7540-01-603-0317INTERCHANGEABLE
FORM,PRINTED
TRAUMA REGISTRY FORM

Frequently Asked Questions

What is NSN 5360-01-020-1661?

NSN 5360-01-020-1661 is a Spring,helical,compression, manufactured by Eaton Aerospace Llc Dba Eaton Aerospace Jackson, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-01-020-1661?

NSN 5360-01-020-1661 has 1 cross-referenced part number: 31783 (Eaton Aerospace Llc Dba Eaton Aerospace Jackson).

What NSN replaces 5360-01-020-1661?

There are 5 known substitutes for 5360-01-020-1661: 5950-00-051-3827, 5330-00-329-9895, 5950-00-754-5929 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31783?

Key specifications for 31783: Material: STEEL COMP 631 OVERALL; Surface Treatment: PASSIVATE OVERALL; Spring Deflection Rate: 63.000 POUNDS PER INCH NOMINAL LBS; Load Rating: 4.000 POUNDS NOMINAL LBS. 13 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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