PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S15555Circuit Breaker

L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. · NSN 5925-00-905-5135 · FSC 5925 · No Item Name Available
Verified by PartsTable
NSN 5925-00-905-5135 — this item is cataloged by the U.S. Government under National Stock Number 5925-00-905-5135. Primary manufacturer part number: S15555.
Features
  • Circuit Breaker — FSC 5925
  • Actuator Position Designation: AT EACH POLE
  • Material: PLASTIC CASE
  • Actuator Function: TRIP-RESET
  • Frequency in Hertz: 60.0 ALL LOCATIONS
  • Trip Release Method: MAGNETIC-HYDRAULIC ALL LOCATIONS
  • Terminal Type and Quantity: 6 SCREW
  • Maximum Continuous Load Current Rating Per Pole: 15.0 AMPERES AC ALL LOCATIONS
Applications
  • Applications requiring Plastic Case construction
General Description

The Circuit Breaker, cataloged under National Stock Number 5925-00-905-5135, is classified within Federal Supply Class 5925 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN5925-00-905-5135
Primary Part NumberS15555
Item NameCircuit Breaker
FSC / FSG5925 / 59 — No Item Name Available
ManufacturerL3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.
StatusACTIVE
Actuator Position DesignationAT EACH POLE
MaterialPLASTIC CASE
Actuator FunctionTRIP-RESET
Frequency in Hertz60.0 ALL LOCATIONS
Trip Release MethodMAGNETIC-HYDRAULIC ALL LOCATIONS
Terminal Type and Quantity6 SCREW
Maximum Continuous Load Current Rating Per Pole15.0 AMPERES AC ALL LOCATIONS
Manual Actuator Type and Quantity3 TOGGLE
Operating Voltage Type and Rating Per Pole in Volts120.0 AC ALL LOCATIONS
Trip Release CharacteristicINSTANTANEOUS ALL LOCATIONS
Main Contact Tripping Mechanism TypeTRIP FREE
Reset MethodMANUAL
Pole Quantity3
Unthreaded Mounting Hole Diameter0.188 INCHES NOMINAL IN
Body StyleRECTANGULAR DIMENSIONAL ENVELOPE
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
2520-00-691-0635S55-55-2 INTERCHANGEABLE
Parts Kit,universal Joint
Rockford Powertrain Inc Div Powertrain Rockford, Inc.
Cross-Reference Index
Part NumberManufacturer
64C42580 Sacramento Air Logistics Center Sm-Alc/liil (USA)
S15555 PRIMARY L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA)
Related Parts
2520-00-691-0635INTERCHANGEABLE
PARTS KIT,UNIVERSAL JOINT
S55-55-2

Frequently Asked Questions

What is NSN 5925-00-905-5135?

NSN 5925-00-905-5135 is a Circuit Breaker, manufactured by L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc., classified under FSC 5925 (No Item Name Available). Status: active.

What are the part numbers for NSN 5925-00-905-5135?

NSN 5925-00-905-5135 has 2 cross-referenced part numbers: 64C42580 (Sacramento Air Logistics Center Sm-Alc/liil), S15555 (L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.).

What NSN replaces 5925-00-905-5135?

There is 1 known substitute for 5925-00-905-5135: 2520-00-691-0635. Verify interchangeability with system specifications before substitution.

What are the specifications of S15555?

Key specifications for S15555: Overall Height: 3.000 INCHES NOMINAL IN; Overall Length: 4.031 INCHES NOMINAL IN; Actuator Position Designation: AT EACH POLE; Material: PLASTIC CASE. 19 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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