PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51333Spring,helical,compression

Woodward Hrt Inc · NSN 5360-00-018-4886 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-018-4886 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-018-4886. Primary manufacturer part number: 51333.
Features
  • Spring,helical,compression — FSC 5360
  • Spring Free Length: 6.860 INCHES NOMINAL IN
  • Spring Deflection Rate: 24.500 POUNDS PER INCH NOMINAL LBS
  • Spring Solid Length: 2.930 INCHES NOMINAL IN
  • Material Document and Classification: QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Coil Quantity: 25.5
  • End Style: SPRING END,SQUARED AND GROUND BOTH ENDS
  • Spring Free Outside Diameter: 0.875 INCHES NOMINAL IN
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Uns K08500 Overall construction
General Description

The Spring,helical,compression, cataloged under National Stock Number 5360-00-018-4886, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Woodward Hrt Inc. Government technical data includes 11 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-018-4886
Primary Part Number51333
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerWoodward Hrt Inc
StatusACTIVE
Spring Free Length6.860 INCHES NOMINAL IN
Spring Deflection Rate24.500 POUNDS PER INCH NOMINAL LBS
Spring Solid Length2.930 INCHES NOMINAL IN
Material Document and ClassificationQQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Coil Quantity25.5
End StyleSPRING END,SQUARED AND GROUND BOTH ENDS
Spring Free Outside Diameter0.875 INCHES NOMINAL IN
Style DesignatorCYLINDRICAL
Coil Helix DirectionRIGHT-HAND OR LEFT-HAND
Inside Diameter0.645 INCHES NOMINAL IN
MaterialSTEEL UNS K08500 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5340-00-270-8540 INTERCHANGEABLE
Button,plug
6640-01-026-5601 INTERCHANGEABLE
Furnace,muffle,laboratory
Cross-Reference Index
Part NumberManufacturer
51333 PRIMARY Woodward Hrt Inc (USA)
Related Parts
5340-00-270-8540INTERCHANGEABLE
BUTTON,PLUG
6640-01-026-5601INTERCHANGEABLE
FURNACE,MUFFLE,LABORATORY

Frequently Asked Questions

What is NSN 5360-00-018-4886?

NSN 5360-00-018-4886 is a Spring,helical,compression, manufactured by Woodward Hrt Inc, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-018-4886?

NSN 5360-00-018-4886 has 1 cross-referenced part number: 51333 (Woodward Hrt Inc).

What NSN replaces 5360-00-018-4886?

There are 2 known substitutes for 5360-00-018-4886: 5340-00-270-8540, 6640-01-026-5601. Verify interchangeability with system specifications before substitution.

What are the specifications of 51333?

Key specifications for 51333: Spring Free Length: 6.860 INCHES NOMINAL IN; Spring Deflection Rate: 24.500 POUNDS PER INCH NOMINAL LBS; Spring Solid Length: 2.930 INCHES NOMINAL IN; Material Document and Classification: QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 11 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com