PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B560Circuit Breaker

Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan · NSN 5925-01-485-9228 · FSC 5925 · No Item Name Available
Verified by PartsTable
NSN 5925-01-485-9228 — this item is cataloged by the U.S. Government under National Stock Number 5925-01-485-9228. Primary manufacturer part number: B560.
Features
  • Circuit Breaker — FSC 5925
  • 2 verified cross-references
  • Primary manufacturer: Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circuit Breaker, cataloged under National Stock Number 5925-01-485-9228, 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 Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5925-01-485-9228
Primary Part NumberB560
Item NameCircuit Breaker
FSC / FSG5925 / 59 — No Item Name Available
ManufacturerLockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5999-00-500-9349B56.0 INTERCHANGEABLE
Heater,thermal Release
Schneider Electric Usa, Inc.
6910-01-189-2269B560 INTERCHANGEABLE
Custcuta
Carolina Biological Supply Co
5950-01-269-40472807079-1 INTERCHANGEABLE
Transformer,power
Honeywell Intl Inc Defense Avionics Systems
Cross-Reference Index
Part NumberManufacturer
B560 PRIMARY Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
79C0333-02 Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
Related Parts
5999-00-500-9349INTERCHANGEABLE
HEATER,THERMAL RELEASE
B56.0
6910-01-189-2269INTERCHANGEABLE
CUSTCUTA
B560
5950-01-269-4047INTERCHANGEABLE
TRANSFORMER,POWER
2807079-1

Frequently Asked Questions

What is NSN 5925-01-485-9228?

NSN 5925-01-485-9228 is a Circuit Breaker, manufactured by Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan, classified under FSC 5925 (No Item Name Available). Status: active.

What are the part numbers for NSN 5925-01-485-9228?

NSN 5925-01-485-9228 has 2 cross-referenced part numbers: B560 (Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan), 79C0333-02 (Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan).

What NSN replaces 5925-01-485-9228?

There are 3 known substitutes for 5925-01-485-9228: 5999-00-500-9349, 6910-01-189-2269, 5950-01-269-4047. Verify interchangeability with system specifications before substitution.

What are the specifications of B560?

Key specifications for B560: End Item Identification: CABINET PROCESSOR. 1 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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