PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

311016Circuit Breaker

Telemechanics Inc · NSN 5925-00-139-1704 · FSC 5925 · No Item Name Available
Verified by PartsTable
NSN 5925-00-139-1704 — this item is cataloged by the U.S. Government under National Stock Number 5925-00-139-1704. Primary manufacturer part number: 311016.
Features
  • Circuit Breaker — FSC 5925
  • Operating Voltage Type and Rating Per Pole in Volts: 60.0 DC SINGLE LOCATION
  • Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent: 125.0 SINGLE LOCATION
  • Trip Release Method: MAGNETIC SINGLE LOCATION
  • Trip Release Characteristic: TIME DELAY SINGLE LOCATION
  • Unpackaged Unit Weight: 4.000 OUNCES NOMINAL OZ
  • Pole Quantity: 1
  • Distance Between Centerlines of Mounting Facilities Parallel to Body Length: 2.060 INCHES NOMINAL IN
Applications
  • Applications requiring Plastic Case construction
General Description

The Circuit Breaker, cataloged under National Stock Number 5925-00-139-1704, 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 Telemechanics Inc. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5925-00-139-1704
Primary Part Number311016
Item NameCircuit Breaker
FSC / FSG5925 / 59 — No Item Name Available
ManufacturerTelemechanics Inc
StatusACTIVE
Operating Voltage Type and Rating Per Pole in Volts60.0 DC SINGLE LOCATION
Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent125.0 SINGLE LOCATION
Trip Release MethodMAGNETIC SINGLE LOCATION
Trip Release CharacteristicTIME DELAY SINGLE LOCATION
Unpackaged Unit Weight4.000 OUNCES NOMINAL OZ
Pole Quantity1
Distance Between Centerlines of Mounting Facilities Parallel to Body Length2.060 INCHES NOMINAL IN
Center to Center Distance Between Terminals Parallel to Length1.680 INCHES NOMINAL IN
Storage TypeGENERAL PURPOSE WAREHOUSE
Thread Quantity Per Inch32
Mounting Surface to Terminal End Distance2.510 INCHES NOMINAL IN
MaterialPLASTIC CASE
Trip Delay Time in Seconds Per Rated Continuous Current0.070 MINIMUM AT 200 PCT AND 1.800 MAXIMUM AT 200 PCT SINGLE LOCATION
Nominal Thread Size0.138 INCHES IN
Actuator Position DesignationAT POLE ONE
Actuator FunctionTRIP-RESET
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Internal Trip Release ConfigurationSERIES TRIP SINGLE LOCATION
Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps1500.0 DC SINGLE LOCATION
Circuit Protection TypeOVERCURRENT SINGLE LOCATION
Body Length2.500 INCHES MAXIMUM IN
Boss Height0.115 INCHES NOMINAL IN
Mounting Facility Type and Quantity2 THREADED HOLE(S)
Body Width0.750 INCHES NOMINAL IN
Inclosure Protection Type for Which DesignedFUNGUS RESISTANT AND MOISTURE RESISTANT
Reset MethodMANUAL
Maximum Continuous Load Current Rating Per Pole4.0 AMPERES DC SINGLE LOCATION
Main Contact Tripping Mechanism TypeTRIP FREE
Body StyleSINGLE POLE TYPE
Terminal Type and Quantity2 THREADED STUD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5905-00-107-7465JA1N048S103MA INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Rockwell Automation, Inc. Dba Rockwell Automation
6680-00-488-553931-1016 INTERCHANGEABLE
Counter,electrical
Redington Counters Inc
5905-00-556-3350 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
7310-01-475-7020311016 INTERCHANGEABLE
Stove,multi-Fuel Burner
Mountain Safety Research Inc
Cross-Reference Index
Part NumberManufacturer
311016 American Telephone and Telegraph Co (USA)
4MC2-2-4 Sensata Technologies, Inc. Div Sensata Attleboro (USA)
311016 PRIMARY Telemechanics Inc (USA)
Related Parts
5905-00-107-7465INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
JA1N048S103MA
6680-00-488-5539INTERCHANGEABLE
COUNTER,ELECTRICAL
31-1016
5905-00-556-3350INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
7310-01-475-7020INTERCHANGEABLE
STOVE,MULTI-FUEL BURNER
311016

Frequently Asked Questions

What is NSN 5925-00-139-1704?

NSN 5925-00-139-1704 is a Circuit Breaker, manufactured by Telemechanics Inc, classified under FSC 5925 (No Item Name Available). Status: active.

What are the part numbers for NSN 5925-00-139-1704?

NSN 5925-00-139-1704 has 3 cross-referenced part numbers: 311016 (American Telephone and Telegraph Co), 4MC2-2-4 (Sensata Technologies, Inc. Div Sensata Attleboro), 311016 (Telemechanics Inc).

What NSN replaces 5925-00-139-1704?

There are 4 known substitutes for 5925-00-139-1704: 5905-00-107-7465, 6680-00-488-5539, 5905-00-556-3350 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 311016?

Key specifications for 311016: Operating Voltage Type and Rating Per Pole in Volts: 60.0 DC SINGLE LOCATION; Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent: 125.0 SINGLE LOCATION; Trip Release Method: MAGNETIC SINGLE LOCATION; Trip Release Characteristic: TIME DELAY SINGLE LOCATION. 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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