PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GA51323-L2Circuit Breaker

American Telephone and Telegraph Co · NSN 5925-00-175-2580 · FSC 5925 · No Item Name Available
Verified by PartsTable
NSN 5925-00-175-2580 — this item is cataloged by the U.S. Government under National Stock Number 5925-00-175-2580. Primary manufacturer part number: GA51323-L2.
Features
  • Circuit Breaker — FSC 5925
  • Material: PLASTIC CASE
  • Main Contact Tripping Mechanism Type: TRIP FREE
  • Trip Release Method: MAGNETIC SINGLE LOCATION
  • Nominal Thread Size: 0.164 INCHES IN
  • Unpackaged Unit Weight: 1.850 OUNCES NOMINAL OZ
  • Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent: 125.0 SINGLE LOCATION
  • Trip Delay Time in Seconds Per Rated Continuous Current: 80.000 NOMINAL AT 200 PCT SINGLE LOCATION
Applications
  • Applications requiring Plastic Case construction
General Description

The Circuit Breaker, cataloged under National Stock Number 5925-00-175-2580, 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 American Telephone and Telegraph Co. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5925-00-175-2580
Primary Part NumberGA51323-L2
Item NameCircuit Breaker
FSC / FSG5925 / 59 — No Item Name Available
ManufacturerAmerican Telephone and Telegraph Co
StatusACTIVE
MaterialPLASTIC CASE
Main Contact Tripping Mechanism TypeTRIP FREE
Trip Release MethodMAGNETIC SINGLE LOCATION
Nominal Thread Size0.164 INCHES IN
Unpackaged Unit Weight1.850 OUNCES NOMINAL OZ
Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent125.0 SINGLE LOCATION
Trip Delay Time in Seconds Per Rated Continuous Current80.000 NOMINAL AT 200 PCT SINGLE LOCATION
Trip Release CharacteristicTIME DELAY SINGLE LOCATION
Reset MethodMANUAL
Operating Voltage Type and Rating Per Pole in Volts30.0 DC SINGLE LOCATION
Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps100.0 DC SINGLE LOCATION
Maximum Continuous Load Current Rating Per Pole5.0 AMPERES DC SINGLE LOCATION
Actuator Position DesignationAT POLE ONE
Circuit Protection TypeOVERCURRENT SINGLE LOCATION
Actuator FunctionTRIP-RESET
Body Width0.766 INCHES NOMINAL IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Storage TypeGENERAL PURPOSE WAREHOUSE
Center to Center Distance Between Terminals Parallel to Length0.750 INCHES NOMINAL IN
Mounting Facility Type and Quantity2 THREADED HOLE(S)
Mounting Surface to Terminal End Distance1.438 INCHES NOMINAL IN
Arc Quenching MethodAIR
Pole Quantity1
Fragility FactorMODERATELY RUGGED
Distance Between Centerlines of Mounting Facilities Parallel to Body Length1.813 INCHES NOMINAL IN
Terminal Type and Quantity2 SCREW
Actuator Position DesignationAT POLE ONE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Trip Delay Time in Seconds Per Rated Continuous Current80.000 NOMINAL AT 200 PCT SINGLE LOCATION
Inclosure Protection Type for Which DesignedDUSTPROOF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6145-00-078-575110194488 INTERCHANGEABLE
Cable,special Purpose,electrical
Us Army Aviation and Missile Command
3040-00-109-2876226414 INTERCHANGEABLE
Connecting Link,rigid
Lockheed Martin Corp
4720-00-180-56788750 INTERCHANGEABLE
Hose Assembly,nonmetallic
Tyco Fire Products Lp
5110-00-221-1074 INTERCHANGEABLE
Chisel,blacksmith's
5930-00-410-7755 INTERCHANGEABLE
Switch,rotary
4730-00-493-841245611 INTERCHANGEABLE
Strainer Element,sediment
Allianz Sweeper Company
6510-00-533-21508750 INTERCHANGEABLE
Gauze,absorbent
Johnson & Johnson Sales and Logistics Company Llc Div Sales and Logistics Company, Llc
5910-00-583-4830 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
6655-00-713-37350C3CS INTERCHANGEABLE
Bathythermograph
Joint Electronics Type Designation System
4820-00-788-75934561-1 INTERCHANGEABLE
Stem,needle Valve
Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives
Cross-Reference Index
Part NumberManufacturer
GA51323-L2 American Telephone and Telegraph Co (USA)
GA51323-L2 Lucent Technologies Inc Dba Federal Marketing Group (USA)
226414 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
8750 Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA)
214903-5 Naval Air Warfare Center Aircraft Division Joint Base Jbmdl (USA)
MCM363N5 Genicom Corp (USA)
C6363-2-5 Sensata Technologies, Inc. Div Sensata Attleboro (USA)
8750 Safran Power Usa, Llc (USA)
GA51323-L2 Lucent Technologies Inc Corporate Headquarters (USA)
45611 Numax Electronics Inc (USA)
Related Parts
6145-00-078-5751INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
10194488
3040-00-109-2876INTERCHANGEABLE
CONNECTING LINK,RIGID
226414
4720-00-180-5678INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
8750
5110-00-221-1074INTERCHANGEABLE
CHISEL,BLACKSMITH'S
5930-00-410-7755INTERCHANGEABLE
SWITCH,ROTARY
4730-00-493-8412INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
45611
6510-00-533-2150INTERCHANGEABLE
GAUZE,ABSORBENT
8750
5910-00-583-4830INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
6655-00-713-3735INTERCHANGEABLE
BATHYTHERMOGRAPH
0C3CS
4820-00-788-7593INTERCHANGEABLE
STEM,NEEDLE VALVE
4561-1
6510-01-048-0848INTERCHANGEABLE
GAUZE,ABSORBENT
NON255145
5340-01-071-2009INTERCHANGEABLE
HOUSING,CABLE CUTTE

Frequently Asked Questions

What is NSN 5925-00-175-2580?

NSN 5925-00-175-2580 is a Circuit Breaker, manufactured by American Telephone and Telegraph Co, classified under FSC 5925 (No Item Name Available). Status: active.

What are the part numbers for NSN 5925-00-175-2580?

NSN 5925-00-175-2580 has 10 cross-referenced part numbers: GA51323-L2 (American Telephone and Telegraph Co), GA51323-L2 (Lucent Technologies Inc Dba Federal Marketing Group), 226414 (Lockheed Martin Corporation Div Rms - Mitchel Field), 8750 (Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc), 214903-5 (Naval Air Warfare Center Aircraft Division Joint Base Jbmdl) and 5 more.

What NSN replaces 5925-00-175-2580?

There are 12 known substitutes for 5925-00-175-2580: 6145-00-078-5751, 3040-00-109-2876, 4720-00-180-5678 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of GA51323-L2?

Key specifications for GA51323-L2: Material: PLASTIC CASE; Main Contact Tripping Mechanism Type: TRIP FREE; Trip Release Method: MAGNETIC SINGLE LOCATION; Nominal Thread Size: 0.164 INCHES IN. 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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