PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

99519A00Spring,helical,extension

L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. · NSN 5360-00-300-4475 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-300-4475 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-300-4475. Primary manufacturer part number: 99519A00.
Features
  • Spring,helical,extension — FSC 5360
  • Inside Diameter: 0.260 INCHES NOMINAL IN
  • Design Type: CLOSED
  • Style Designator: CYLINDRICAL
  • End Style: RAISED HOOK BOTH ENDS
  • Spring Free Length: 1.174 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Surface Treatment: CADMIUM OVERALL
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 5360-00-300-4475, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, 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
NSN5360-00-300-4475
Primary Part Number99519A00
Item NameSpring,helical,extension
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerL3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.
StatusACTIVE
Inside Diameter0.260 INCHES NOMINAL IN
Design TypeCLOSED
Style DesignatorCYLINDRICAL
End StyleRAISED HOOK BOTH ENDS
Spring Free Length1.174 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Surface TreatmentCADMIUM OVERALL
Spring Free Outside Diameter0.360 INCHES NOMINAL IN
Coil Quantity12-1/4
Coil Helix DirectionRIGHT-HAND OR LEFT-HAND
Hook Radius0.047 INCHES NOMINAL BOTH ENDS IN
Opening Width0.094 INCHES NOMINAL BOTH ENDS IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5120-00-288-767913D8453 INTERCHANGEABLE
Extractor,lamp
Westinghouse Electric Corp
5360-01-494-4294 INTERCHANGEABLE
Spring,helical,extension
Cross-Reference Index
Part NumberManufacturer
99519A00 PRIMARY L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA)
92929-A Zf Industrieantriebe Witten Gmbh (DEU)
99519-A L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA)
Related Parts
5120-00-288-7679INTERCHANGEABLE
EXTRACTOR,LAMP
13D8453
5360-01-494-4294INTERCHANGEABLE
SPRING,HELICAL,EXTENSION

Frequently Asked Questions

What is NSN 5360-00-300-4475?

NSN 5360-00-300-4475 is a Spring,helical,extension, manufactured by L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc., classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-300-4475?

NSN 5360-00-300-4475 has 3 cross-referenced part numbers: 99519A00 (L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.), 92929-A (Zf Industrieantriebe Witten Gmbh), 99519-A (L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.).

What NSN replaces 5360-00-300-4475?

There are 2 known substitutes for 5360-00-300-4475: 5120-00-288-7679, 5360-01-494-4294. Verify interchangeability with system specifications before substitution.

What are the specifications of 99519A00?

Key specifications for 99519A00: Inside Diameter: 0.260 INCHES NOMINAL IN; Design Type: CLOSED; Style Designator: CYLINDRICAL; End Style: RAISED HOOK BOTH ENDS. 12 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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