PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7057Circuit Breaker

Blue Sea Systems, Inc. Dba Blue Sea Systems Div Blue Sea Systems · NSN 5925-01-687-8869 · FSC 5925 · No Item Name Available
Verified by PartsTable
NSN 5925-01-687-8869 — this item is cataloged by the U.S. Government under National Stock Number 5925-01-687-8869. Primary manufacturer part number: 7057.
Features
  • Circuit Breaker — FSC 5925
  • Trip Release Ambient Temp Rating: 60.0 CELSIUS MAXIMUM ALL LOCATIONS DEGC
  • Switch Terminal Type: QUICK DISCONNECT, MALE
  • Maximum Continuous Load Current Rating Per Pole: 20.0 AMPERES DC SINGLE LOCATION
  • Thread Series Designator: UNS
  • Trip Release Characteristic: TIME DELAY SINGLE LOCATION
  • Unpackaged Unit Weight: 6.0 POUNDS NOMINAL LBS
  • Actuator Function: RESET
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circuit Breaker, cataloged under National Stock Number 5925-01-687-8869, 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 Blue Sea Systems, Inc. Dba Blue Sea Systems Div Blue Sea Systems. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5925-01-687-8869
Primary Part Number7057
Item NameCircuit Breaker
FSC / FSG5925 / 59 — No Item Name Available
ManufacturerBlue Sea Systems, Inc. Dba Blue Sea Systems Div Blue Sea Systems
StatusACTIVE
Trip Release Ambient Temp Rating60.0 CELSIUS MAXIMUM ALL LOCATIONS DEGC
Switch Terminal TypeQUICK DISCONNECT, MALE
Maximum Continuous Load Current Rating Per Pole20.0 AMPERES DC SINGLE LOCATION
Thread Series DesignatorUNS
Trip Release CharacteristicTIME DELAY SINGLE LOCATION
Unpackaged Unit Weight6.0 POUNDS NOMINAL LBS
Actuator FunctionRESET
Terminal Type and Quantity1 QUICK DISCONNECT, MALE
Trip Release MethodTHERMAL SINGLE LOCATION
Nominal Thread Size0.375 INCHES IN
Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps3000.0 DC ALL LOCATIONS
Operating Voltage Type and Rating Per Pole in Volts32.0 DC SINGLE LOCATION
Reset MethodMANUAL
Pole Quantity1
Mounting Facility Type and Quantity1 TERMINAL
Body StyleCYLINDRICAL DIMENSIONAL ENVELOPE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5935-00-149-401309002090 INTERCHANGEABLE
Connector,plug,electrical
Thales Components Corp Div Thales Components Corporation
5355-00-438-37487057 INTERCHANGEABLE
Knob
Crown Audio, Inc. Dba Crown International
4920-00-495-05807057 INTERCHANGEABLE
Test Stand,hydraulic System Comp
Allison Transmission Inc Dba Allison Transmission, Inc
5905-00-752-3335 INTERCHANGEABLE
Resistor,fixed,composition
6685-00-761-86011DS-12 INTERCHANGEABLE
Thermometer,self-Indicating
Sigma Products & Mfg
5950-00-817-67937057 INTERCHANGEABLE
Coil,radio Frequency
Vanguard Electronics, Llc
5950-00-852-9481 INTERCHANGEABLE
Transformer,power
5975-01-089-9804X50-M INTERCHANGEABLE
Conduit Outlet
Egs Electrical Group Appleton Div
5120-01-210-4096 INTERCHANGEABLE
Puller,mechanical
5925-01-731-11797057 INTERCHANGEABLE
Circuit Breaker
Navico Group Americas Llc Dba Power Products of Delaware, Llc Div Navico Group, Previously Power Products Llc
Cross-Reference Index
Part NumberManufacturer
7057 Blue Sea Systems, Inc. Dba Blue Sea Systems Div Blue Sea Systems (USA)
Related Parts
5935-00-149-4013INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
09002090
5355-00-438-3748INTERCHANGEABLE
KNOB
7057
4920-00-495-0580INTERCHANGEABLE
TEST STAND,HYDRAULIC SYSTEM COMP
7057
5905-00-752-3335INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
6685-00-761-8601INTERCHANGEABLE
THERMOMETER,SELF-INDICATING
1DS-12
5950-00-817-6793INTERCHANGEABLE
COIL,RADIO FREQUENCY
7057
5950-00-852-9481INTERCHANGEABLE
TRANSFORMER,POWER
5975-01-089-9804INTERCHANGEABLE
CONDUIT OUTLET
X50-M
5120-01-210-4096INTERCHANGEABLE
PULLER,MECHANICAL
5925-01-731-1179INTERCHANGEABLE
CIRCUIT BREAKER
7057

Frequently Asked Questions

What is NSN 5925-01-687-8869?

NSN 5925-01-687-8869 is a Circuit Breaker, manufactured by Blue Sea Systems, Inc. Dba Blue Sea Systems Div Blue Sea Systems, classified under FSC 5925 (No Item Name Available). Status: active.

What are the part numbers for NSN 5925-01-687-8869?

NSN 5925-01-687-8869 has 1 cross-referenced part number: 7057 (Blue Sea Systems, Inc. Dba Blue Sea Systems Div Blue Sea Systems).

What NSN replaces 5925-01-687-8869?

There are 10 known substitutes for 5925-01-687-8869: 5935-00-149-4013, 5355-00-438-3748, 4920-00-495-0580 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7057?

Key specifications for 7057: Trip Release Ambient Temp Rating: 60.0 CELSIUS MAXIMUM ALL LOCATIONS DEGC; Switch Terminal Type: QUICK DISCONNECT, MALE; Maximum Continuous Load Current Rating Per Pole: 20.0 AMPERES DC SINGLE LOCATION; Thread Series Designator: UNS. 17 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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