PartsTable TECHNICAL DATA SHEET
OCTOBER 2026Technical Data Sheet

590-821Spring,helical,compression

Mcc Powers Process Controls Div of Mark Controls Corp · NSN 5360-00-891-0909 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-891-0909 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-891-0909. Primary manufacturer part number: 590-821.
Features
  • Spring,helical,compression — FSC 5360
  • Spring Free Length: 6.250 INCHES NOMINAL IN
  • Style Designator: CYLINDRICAL
  • Inside Diameter: 1.437 INCHES NOMINAL IN
  • Spring Deflection Rate: 250.000 POUNDS PER INCH NOMINAL LBS
  • Coil Helix Direction: RIGHT-HAND OR LEFT-HAND
  • Surface Treatment: CADMIUM OVERALL
  • Material: STEEL OVERALL
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Overall construction
General Description

The Spring,helical,compression, cataloged under National Stock Number 5360-00-891-0909, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Mcc Powers Process Controls Div of Mark Controls Corp. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the government interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-891-0909
Primary Part Number590-821
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerMcc Powers Process Controls Div of Mark Controls Corp
StatusACTIVE
Spring Free Length6.250 INCHES NOMINAL IN
Style DesignatorCYLINDRICAL
Inside Diameter1.437 INCHES NOMINAL IN
Spring Deflection Rate250.000 POUNDS PER INCH NOMINAL LBS
Coil Helix DirectionRIGHT-HAND OR LEFT-HAND
Surface TreatmentCADMIUM OVERALL
MaterialSTEEL OVERALL
Coil Quantity11-1/2
Spring Free Outside Diameter2.062 INCHES NOMINAL IN
End StyleSPRING END,SQUARED AND GROUND BOTH ENDS
Spring Solid Length3.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
⇄ Verified Substitutes 1
6150-01-195-328859082-1 INTERCHANGEABLE
Cable Assembly,special Purpose,e
The First Electronics Corporation
Cross-Reference Index
Part NumberManufacturer
590-821 Mcc Powers Process Controls Div of Mark Controls Corp (USA)
Related Parts
6150-01-195-3288INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
59082-1

Frequently Asked Questions

What is NSN 5360-00-891-0909?

NSN 5360-00-891-0909 is a Spring,helical,compression, manufactured by Mcc Powers Process Controls Div of Mark Controls Corp, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-891-0909?

NSN 5360-00-891-0909 has 1 cross-referenced part number: 590-821 (Mcc Powers Process Controls Div of Mark Controls Corp).

What NSN replaces 5360-00-891-0909?

There is 1 known substitute for 5360-00-891-0909: 6150-01-195-3288. Verify interchangeability with system specifications before substitution.

What are the specifications of 590-821?

Key specifications for 590-821: Spring Free Length: 6.250 INCHES NOMINAL IN; Style Designator: CYLINDRICAL; Inside Diameter: 1.437 INCHES NOMINAL IN; Spring Deflection Rate: 250.000 POUNDS PER INCH NOMINAL LBS. 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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