PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4756Circuit Breaker

L3 Aviation Products, Inc. Dba L3 Technologies · NSN 5925-00-474-5401 · FSC 5925 · No Item Name Available
Verified by PartsTable
NSN 5925-00-474-5401 — this item is cataloged by the U.S. Government under National Stock Number 5925-00-474-5401. Primary manufacturer part number: 4756.
Features
  • Circuit Breaker — FSC 5925
  • Unthreaded Mounting Hole Diameter: 0.199 INCHES NOMINAL IN
  • Switch Location and Position Designation: EXTERNAL AT POLE ONE
  • Circuit Protection Type: OVERCURRENT SINGLE LOCATION
  • Features Provided: ADJUSTABLE TRIP RELEASE
  • Switch Contact Arrangement: SINGLE POLE, DOUBLE THROW
  • Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S)
  • Pole Quantity: 1
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circuit Breaker, cataloged under National Stock Number 5925-00-474-5401, 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 L3 Aviation Products, Inc. Dba L3 Technologies. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5925-00-474-5401
Primary Part Number4756
Item NameCircuit Breaker
FSC / FSG5925 / 59 — No Item Name Available
ManufacturerL3 Aviation Products, Inc. Dba L3 Technologies
StatusACTIVE
Unthreaded Mounting Hole Diameter0.199 INCHES NOMINAL IN
Switch Location and Position DesignationEXTERNAL AT POLE ONE
Circuit Protection TypeOVERCURRENT SINGLE LOCATION
Features ProvidedADJUSTABLE TRIP RELEASE
Switch Contact ArrangementSINGLE POLE, DOUBLE THROW
Mounting Facility Type and Quantity4 UNTHREADED HOLE(S)
Pole Quantity1
Trip Release MethodTHERMAL SINGLE LOCATION
Switch Terminal TypeWIRE LEAD
Auxiliary Switch Function and Quantity1 CONTROL
Internal Trip Release ConfigurationSERIES TRIP SINGLE LOCATION
Reset MethodAUTOMATIC
Terminal Type and Quantity2 SCREW
Actuator Position DesignationAT POLE ONE
Body StyleRECTANGULAR DIMENSIONAL ENVELOPE
Maximum Continuous Load Current Rating Per Pole120.0 AMPERES DC SINGLE LOCATION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3110-00-100-3144 INTERCHANGEABLE
Cone and Rollers,tapered Roller
5999-00-351-3576 INTERCHANGEABLE
Clamp,electrical
4920-00-705-45414-756 INTERCHANGEABLE
Spindle and Tie Rod
Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc
5325-00-753-3748156401R1 INTERCHANGEABLE
Ring,retaining
Navistar Intl Corp Truck Br Ohio Plant
5905-00-853-8050995-10A7-50HM5PCT INTERCHANGEABLE
Resistor,fixed,wire Wound,nonind
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
6520-01-556-181090172 INTERCHANGEABLE
Filter,water,retrofit Kit
Dentsply Sirona Inc. Dba Dentsply Professional Div Dentsply Professional/preventive
Cross-Reference Index
Part NumberManufacturer
4756 L3 Aviation Products, Inc. Dba L3 Technologies (USA)
827476 L3 Aviation Products, Inc. Dba L3 Technologies (USA)
Related Parts
3110-00-100-3144INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
5999-00-351-3576INTERCHANGEABLE
CLAMP,ELECTRICAL
4920-00-705-4541INTERCHANGEABLE
SPINDLE AND TIE ROD
4-756
5325-00-753-3748INTERCHANGEABLE
RING,RETAINING
156401R1
5905-00-853-8050INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,NONIND
995-10A7-50HM5PCT
6520-01-556-1810INTERCHANGEABLE
FILTER,WATER,RETROFIT KIT
90172

Frequently Asked Questions

What is NSN 5925-00-474-5401?

NSN 5925-00-474-5401 is a Circuit Breaker, manufactured by L3 Aviation Products, Inc. Dba L3 Technologies, classified under FSC 5925 (No Item Name Available). Status: active.

What are the part numbers for NSN 5925-00-474-5401?

NSN 5925-00-474-5401 has 2 cross-referenced part numbers: 4756 (L3 Aviation Products, Inc. Dba L3 Technologies), 827476 (L3 Aviation Products, Inc. Dba L3 Technologies).

What NSN replaces 5925-00-474-5401?

There are 6 known substitutes for 5925-00-474-5401: 3110-00-100-3144, 5999-00-351-3576, 4920-00-705-4541 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4756?

Key specifications for 4756: Unthreaded Mounting Hole Diameter: 0.199 INCHES NOMINAL IN; Switch Location and Position Designation: EXTERNAL AT POLE ONE; Circuit Protection Type: OVERCURRENT SINGLE LOCATION; Features Provided: ADJUSTABLE TRIP RELEASE. 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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