PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A3211920Spring,helical,compression

Naval Ship Systems Command · NSN 5360-00-526-9903 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-526-9903 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-526-9903. Primary manufacturer part number: A3211920.
Features
  • Spring,helical,compression — FSC 5360
  • Material Document and Classification: MIL-S-16410,GRADE B,TYPE 1,COMP 4-CANCELED MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Coil Quantity: 6
  • Inside Diameter: 2.625 INCHES NOMINAL IN
  • Spring Deflection Rate: 59.000 POUNDS PER INCH NOMINAL LBS
  • Style Designator: CYLINDRICAL
  • Spring Free Outside Diameter: 3.125 INCHES NOMINAL IN
  • Coil Helix Direction: RIGHT-HAND
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 5360-00-526-9903, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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
NSN5360-00-526-9903
Primary Part NumberA3211920
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
Material Document and ClassificationMIL-S-16410,GRADE B,TYPE 1,COMP 4-CANCELED MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Coil Quantity6
Inside Diameter2.625 INCHES NOMINAL IN
Spring Deflection Rate59.000 POUNDS PER INCH NOMINAL LBS
Style DesignatorCYLINDRICAL
Spring Free Outside Diameter3.125 INCHES NOMINAL IN
Coil Helix DirectionRIGHT-HAND
End StyleSPRING END,SQUARED AND GROUND BOTH ENDS
MaterialSTEEL OVERALL
Spring Free Length4.375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-01-131-985909654-00819 INTERCHANGEABLE
Nut,plain,blind Rivet
Cherry Textron Inc Cherry Commercial Fasteners Products Div of Textron Inc
Cross-Reference Index
Part NumberManufacturer
A3211920 PRIMARY Naval Ship Systems Command (USA)
63519 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA)
63519 Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand (USA)
63519 Turbodyne Div of Dresser Industries Inc See Code 0br59 (USA)
Related Parts
5310-01-131-9859INTERCHANGEABLE
NUT,PLAIN,BLIND RIVET
09654-00819

Frequently Asked Questions

What is NSN 5360-00-526-9903?

NSN 5360-00-526-9903 is a Spring,helical,compression, manufactured by Naval Ship Systems Command, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-526-9903?

NSN 5360-00-526-9903 has 4 cross-referenced part numbers: A3211920 (Naval Ship Systems Command), 63519 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions), 63519 (Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand), 63519 (Turbodyne Div of Dresser Industries Inc See Code 0br59).

What NSN replaces 5360-00-526-9903?

There is 1 known substitute for 5360-00-526-9903: 5310-01-131-9859. Verify interchangeability with system specifications before substitution.

What are the specifications of A3211920?

Key specifications for A3211920: Material Document and Classification: MIL-S-16410,GRADE B,TYPE 1,COMP 4-CANCELED MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Coil Quantity: 6; Inside Diameter: 2.625 INCHES NOMINAL IN; Spring Deflection Rate: 59.000 POUNDS PER INCH NOMINAL LBS. 10 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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