PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7139Circuit Breaker

Blue Sea Systems, Inc. Dba Blue Sea Systems Div Blue Sea Systems · NSN 5925-01-648-2169 · FSC 5925 · No Item Name Available
Verified by PartsTable
NSN 5925-01-648-2169 — this item is cataloged by the U.S. Government under National Stock Number 5925-01-648-2169. Primary manufacturer part number: 7139.
Features
  • Circuit Breaker — FSC 5925
  • 1 verified cross-reference
  • Primary manufacturer: Blue Sea Systems, Inc. Dba Blue Sea Systems Div Blue Sea Systems
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circuit Breaker, cataloged under National Stock Number 5925-01-648-2169, 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. 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
NSN5925-01-648-2169
Primary Part Number7139
Item NameCircuit Breaker
FSC / FSG5925 / 59 — No Item Name Available
ManufacturerBlue Sea Systems, Inc. Dba Blue Sea Systems Div Blue Sea Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
4930-00-026-40517139 INTERCHANGEABLE
Screen,water Segreg
Arvinmeritor Inc
2825-00-036-34167139 INTERCHANGEABLE
Piston,cylinder Rel
Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions
4810-00-158-3261 INTERCHANGEABLE
Seat,valve
5331-00-292-7597 INTERCHANGEABLE
O-Ring
5995-00-395-93157139 INTERCHANGEABLE
Wiring Harness
Spencer Industries Inc
5996-01-038-80335101 INTERCHANGEABLE
Amplifier,audio-Radio Frequency
Integrated Technology Lab, Inc. Dba Integrated Technology Lab Inc
6150-01-389-73057139 INTERCHANGEABLE
Lead,electrical
Janco Corporation Dba Janco Corp Div Mason Controls
1560-01-492-4843DS-922529 INTERCHANGEABLE
Cover,access,aircraft
Eaton Aerospace, Llc Dba Jackson South
2940-01-618-4763LF9050 INTERCHANGEABLE
Filter,fluid
Cummins Filtration Inc Dba Fleetguard Div Cummins Inc
5935-01-656-45497139 INTERCHANGEABLE
Adapter,connector
Monoprice Inc.
Cross-Reference Index
Part NumberManufacturer
7139 Blue Sea Systems, Inc. Dba Blue Sea Systems Div Blue Sea Systems (USA)
Related Parts
4930-00-026-4051INTERCHANGEABLE
SCREEN,WATER SEGREG
7139
2825-00-036-3416INTERCHANGEABLE
PISTON,CYLINDER REL
7139
4810-00-158-3261INTERCHANGEABLE
SEAT,VALVE
5331-00-292-7597INTERCHANGEABLE
O-RING
5995-00-395-9315INTERCHANGEABLE
WIRING HARNESS
7139
5996-01-038-8033INTERCHANGEABLE
AMPLIFIER,AUDIO-RADIO FREQUENCY
5101
6150-01-389-7305INTERCHANGEABLE
LEAD,ELECTRICAL
7139
1560-01-492-4843INTERCHANGEABLE
COVER,ACCESS,AIRCRAFT
DS-922529
2940-01-618-4763INTERCHANGEABLE
FILTER,FLUID
LF9050
5935-01-656-4549INTERCHANGEABLE
ADAPTER,CONNECTOR
7139

Frequently Asked Questions

What is NSN 5925-01-648-2169?

NSN 5925-01-648-2169 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 5925-01-648-2169?

NSN 5925-01-648-2169 has 1 cross-referenced part number: 7139 (Blue Sea Systems, Inc. Dba Blue Sea Systems Div Blue Sea Systems).

What NSN replaces 5925-01-648-2169?

There are 10 known substitutes for 5925-01-648-2169: 4930-00-026-4051, 2825-00-036-3416, 4810-00-158-3261 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7139?

Key specifications for 7139: Special Features: AMP 50, MAX VOLTAGE 48 V DC, SURFACE MOUNT, 187 SERIES CIRCUI BREAKER, WATERPROOF, V; End Item Identification: BOAT RIVERINE. 2 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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