PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

826-1Circuit Breaker

Cpi Essco Inc · NSN 5925-01-009-9663 · FSC 5925 · No Item Name Available
Verified by PartsTable
NSN 5925-01-009-9663 — this item is cataloged by the U.S. Government under National Stock Number 5925-01-009-9663. Primary manufacturer part number: 826-1.
Features
  • Circuit Breaker — FSC 5925
  • Auxiliary Switch Function and Quantity: 1 ALARM
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Reset Method: MANUAL
  • Switch Terminal Type: TAB, SOLDER LUG
  • Terminal Type and Quantity: 2 THREADED STUD
  • Manual Actuator Type and Quantity: 1 TOGGLE
  • Actuator Function: TRIP-RESET
Applications
  • Applications requiring Plastic Case construction
General Description

The Circuit Breaker, cataloged under National Stock Number 5925-01-009-9663, 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 Cpi Essco Inc. Government technical data includes 30 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5925-01-009-9663
Primary Part Number826-1
Item NameCircuit Breaker
FSC / FSG5925 / 59 — No Item Name Available
ManufacturerCpi Essco Inc
StatusACTIVE
Auxiliary Switch Function and Quantity1 ALARM
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Reset MethodMANUAL
Switch Terminal TypeTAB, SOLDER LUG
Terminal Type and Quantity2 THREADED STUD
Manual Actuator Type and Quantity1 TOGGLE
Actuator FunctionTRIP-RESET
Switch Current Rating and Type in Amps10.0 AC AND 3.0 DC
Trip Release MethodMAGNETIC-HYDRAULIC SINGLE LOCATION
Maximum Continuous Load Current Rating Per Pole24.0 AMPERES AC SINGLE LOCATION
Internal Trip Release ConfigurationSERIES TRIP SINGLE LOCATION
Body StyleSINGLE POLE TYPE
Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent125.0 SINGLE LOCATION
Main Contact Tripping Mechanism TypeTRIP FREE
Operating Voltage Type and Rating Per Pole in Volts250.0 AC SINGLE LOCATION
Switch Location and Position DesignationINTERNAL AT POLE ONE
Nominal Thread Size0.138 INCHES IN
Actuator Position DesignationAT POLE ONE
MaterialPLASTIC CASE
Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps1000.0 AC SINGLE LOCATION
Frequency in Hertz60.0 SINGLE LOCATION
Circuit Protection TypeOVERCURRENT SINGLE LOCATION
Trip Release CharacteristicTIME DELAY SINGLE LOCATION
Inclosure Protection Type for Which DesignedFUNGUS RESISTANT AND MOISTURE RESISTANT
Trip Delay Time in Seconds Per Rated Continuous Current0.150 MINIMUM AT 200 PCT AND 1.500 MAXIMUM AT 200 PCT SINGLE LOCATION
Switch Voltage Rating and Type in Volts250.0 AC AND 30.0 DC
Switch Contact ArrangementSINGLE POLE, DOUBLE THROW
Center to Center Distance Between Terminals Parallel to Length1.928 INCHES MINIMUM AND 1.948 INCHES MAXIMUM IN
Mounting Facility Type and Quantity2 THREADED HOLE(S)
Storage TypeGENERAL PURPOSE WAREHOUSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
6135-00-160-7159 INTERCHANGEABLE
Battery,nonrechargeable
6145-00-161-0885 INTERCHANGEABLE
Cable,radio Frequency
5935-00-295-506482-61 INTERCHANGEABLE
Connector,plug,electrical
Amphenol Corporation Div Amphenol Rf
5930-00-407-2089101101LE INTERCHANGEABLE
Switch,rotary
Electro Switch Corp. Dba Electro Switch Corp
2530-00-738-90616035768.2 INTERCHANGEABLE
Ring,side,automotive Wheel
Badger Truck and Automotive Group, Inc.
5340-01-102-19318261 INTERCHANGEABLE
Standoff,threaded,spacing
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
3030-01-126-3832052956-0 INTERCHANGEABLE
Belt,v
Sea Cure Technology, Inc
7220-01-235-756011023428-1 INTERCHANGEABLE
Matting,floor
Combat Capabilities Development Command Armaments Center Dba Us Army Combat Capabilities Development Command Armaments Center
5935-01-363-7381SM2435-RRA INTERCHANGEABLE
Cover,electrical Connector
The Boeing Company Div Defense
6640-01-564-163616125-970 INTERCHANGEABLE
Bottle,screw Cap
Vwr International, Llc Dba Vwr Scientific
Cross-Reference Index
Part NumberManufacturer
AM1A3A1-240AC3 Eaton Corp Heinemann Products Commercial Controls Div (USA)
826-1 PRIMARY Cpi Essco Inc (USA)
Related Parts
6135-00-160-7159INTERCHANGEABLE
BATTERY,NONRECHARGEABLE
6145-00-161-0885INTERCHANGEABLE
CABLE,RADIO FREQUENCY
5935-00-295-5064INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
82-61
5930-00-407-2089INTERCHANGEABLE
SWITCH,ROTARY
101101LE
2530-00-738-9061INTERCHANGEABLE
RING,SIDE,AUTOMOTIVE WHEEL
6035768.2
5340-01-102-1931INTERCHANGEABLE
STANDOFF,THREADED,SPACING
8261
3030-01-126-3832INTERCHANGEABLE
BELT,V
052956-0
7220-01-235-7560INTERCHANGEABLE
MATTING,FLOOR
11023428-1
5935-01-363-7381INTERCHANGEABLE
COVER,ELECTRICAL CONNECTOR
SM2435-RRA
6640-01-564-1636INTERCHANGEABLE
BOTTLE,SCREW CAP
16125-970

Frequently Asked Questions

What is NSN 5925-01-009-9663?

NSN 5925-01-009-9663 is a Circuit Breaker, manufactured by Cpi Essco Inc, classified under FSC 5925 (No Item Name Available). Status: active.

What are the part numbers for NSN 5925-01-009-9663?

NSN 5925-01-009-9663 has 2 cross-referenced part numbers: AM1A3A1-240AC3 (Eaton Corp Heinemann Products Commercial Controls Div), 826-1 (Cpi Essco Inc).

What NSN replaces 5925-01-009-9663?

There are 10 known substitutes for 5925-01-009-9663: 6135-00-160-7159, 6145-00-161-0885, 5935-00-295-5064 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 826-1?

Key specifications for 826-1: Auxiliary Switch Function and Quantity: 1 ALARM; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Reset Method: MANUAL; Switch Terminal Type: TAB, SOLDER LUG. 30 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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