PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7943891-1Circuit Breaker

The Boeing Company · NSN 5925-01-293-3604 · FSC 5925 · No Item Name Available
Verified by PartsTable
NSN 5925-01-293-3604 — this item is cataloged by the U.S. Government under National Stock Number 5925-01-293-3604. Primary manufacturer part number: 7943891-1.
Features
  • Circuit Breaker — FSC 5925
  • Operating Voltage Type and Rating Per Pole in Volts: 208.0 AC ALL LOCATIONS
  • Pole Quantity: 5
  • Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY THE SOURCE CONTROL DWG NO.
  • Frequency in Hertz: 400.0 ALL LOCATIONS
  • 2 verified cross-references
  • Primary manufacturer: The Boeing Company
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circuit Breaker, cataloged under National Stock Number 5925-01-293-3604, 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 The Boeing Company. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5925-01-293-3604
Primary Part Number7943891-1
Item NameCircuit Breaker
FSC / FSG5925 / 59 — No Item Name Available
ManufacturerThe Boeing Company
StatusACTIVE
Operating Voltage Type and Rating Per Pole in Volts208.0 AC ALL LOCATIONS
Pole Quantity5
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY THE SOURCE CONTROL DWG NO.
Frequency in Hertz400.0 ALL LOCATIONS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3040-00-245-0012A2-27 INTERCHANGEABLE
Shaft,straight
Roller Bearing Co of America, Inc Div Pic Design
4210-00-288-7736S-327 INTERCHANGEABLE
Reducer,hose,fire Fighting
Hale Products, Inc.
5935-00-387-0073 INTERCHANGEABLE
Connector,receptacle,electrical
5935-00-387-0074 INTERCHANGEABLE
Connector,receptacle,electrical
6685-00-574-8992S327NA INTERCHANGEABLE
Transmitter,temperature,electric
Minco Products Inc
5315-00-815-0369S327 INTERCHANGEABLE
Key,woodruff
Cummins Inc.
5935-00-929-2510S327 INTERCHANGEABLE
Backshell,electrical Connector
Joslyn Sunbank Company, Llc Dba Joslyn Sunbank Co Llc
Cross-Reference Index
Part NumberManufacturer
7943891-1 The Boeing Company (USA)
S327 Lax Electronics, Inc. Dba Automatic Connector Div Automatic Connector (USA)
Related Parts
3040-00-245-0012INTERCHANGEABLE
SHAFT,STRAIGHT
A2-27
4210-00-288-7736INTERCHANGEABLE
REDUCER,HOSE,FIRE FIGHTING
S-327
5935-00-387-0073INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-00-387-0074INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
6685-00-574-8992INTERCHANGEABLE
TRANSMITTER,TEMPERATURE,ELECTRIC
S327NA
5315-00-815-0369INTERCHANGEABLE
KEY,WOODRUFF
S327
5935-00-929-2510INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
S327

Frequently Asked Questions

What is NSN 5925-01-293-3604?

NSN 5925-01-293-3604 is a Circuit Breaker, manufactured by The Boeing Company, classified under FSC 5925 (No Item Name Available). Status: active.

What are the part numbers for NSN 5925-01-293-3604?

NSN 5925-01-293-3604 has 2 cross-referenced part numbers: 7943891-1 (The Boeing Company), S327 (Lax Electronics, Inc. Dba Automatic Connector Div Automatic Connector).

What NSN replaces 5925-01-293-3604?

There are 7 known substitutes for 5925-01-293-3604: 3040-00-245-0012, 4210-00-288-7736, 5935-00-387-0073 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7943891-1?

Key specifications for 7943891-1: Overall Height: 4.850 INCHES MAXIMUM IN; Overall Width: 3.820 INCHES MAXIMUM IN; Operating Voltage Type and Rating Per Pole in Volts: 208.0 AC ALL LOCATIONS; Pole Quantity: 5. 7 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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