PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1BU40Circuit Breaker

Altech Corporation · NSN 5925-01-395-0746 · FSC 5925 · No Item Name Available
Verified by PartsTable
NSN 5925-01-395-0746 — this item is cataloged by the U.S. Government under National Stock Number 5925-01-395-0746. Primary manufacturer part number: 1BU40.
Features
  • Circuit Breaker — FSC 5925
  • 3 verified cross-references
  • Primary manufacturer: Altech Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circuit Breaker, cataloged under National Stock Number 5925-01-395-0746, 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 Altech Corporation. This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameCircuit Breaker
FSC / FSG5925 — No Item Name Available (FSG 59)
ManufacturersAltech Corporation (CAGE 0DU12)
Technical Specifications
ParameterValue
NSN5925-01-395-0746
Primary Part Number1BU40
Item NameCircuit Breaker
FSC / FSG5925 / 59 — No Item Name Available
ManufacturerAltech Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-073-6123 INTERCHANGEABLE
Flange,brass
5136-00-580-7361 INTERCHANGEABLE
Tap,thread Cutting
5310-00-703-2078109547 INTERCHANGEABLE
Nut,plain,cone Seat,hexagon
Dana Off Highway Products, Llc
5310-00-741-687515210 INTERCHANGEABLE
Nut,pump
Industrial Technologies and Services Llc
4720-00-910-75140301 INTERCHANGEABLE
Hose,air Bleed
Senior Operations Llc Div Senior Aerospace Ssp
5961-00-924-4454 INTERCHANGEABLE
Transistor
6520-01-176-619015210 INTERCHANGEABLE
File,pulp Canal,dental
Kerr Corporation
5120-01-216-759915210 INTERCHANGEABLE
Key,socket Head Screw
Bondhus Corp
5961-01-371-0987 INTERCHANGEABLE
Semiconductor Device,photo
7930-01-418-1239 INTERCHANGEABLE
Cleaning Solution,porcelain
Cross-Reference Index
Part NumberManufacturer
15.2100 Altech Corporation (USA)
1BU40 PRIMARY Altech Corporation (USA)
15.210 Altech Corporation (USA)
Related Parts
4730-00-073-6123INTERCHANGEABLE
FLANGE,BRASS
5136-00-580-7361INTERCHANGEABLE
TAP,THREAD CUTTING
5310-00-703-2078INTERCHANGEABLE
NUT,PLAIN,CONE SEAT,HEXAGON
109547
5310-00-741-6875INTERCHANGEABLE
NUT,PUMP
15210
4720-00-910-7514INTERCHANGEABLE
HOSE,AIR BLEED
0301
5961-00-924-4454INTERCHANGEABLE
TRANSISTOR
6520-01-176-6190INTERCHANGEABLE
FILE,PULP CANAL,DENTAL
15210
5120-01-216-7599INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
15210
5961-01-371-0987INTERCHANGEABLE
SEMICONDUCTOR DEVICE,PHOTO
7930-01-418-1239INTERCHANGEABLE
CLEANING SOLUTION,PORCELAIN
6545-01-421-5607INTERCHANGEABLE
HEAD,INNER,COMPLETE
5306-01-557-0729INTERCHANGEABLE
BOLT,MACHINE
0115210

Frequently Asked Questions

What is NSN 5925-01-395-0746?

NSN 5925-01-395-0746 is a Circuit Breaker, manufactured by Altech Corporation, classified under FSC 5925 (No Item Name Available). Status: active.

What are the part numbers for NSN 5925-01-395-0746?

NSN 5925-01-395-0746 has 3 cross-referenced part numbers: 15.2100 (Altech Corporation), 1BU40 (Altech Corporation), 15.210 (Altech Corporation).

What NSN replaces 5925-01-395-0746?

There are 12 known substitutes for 5925-01-395-0746: 4730-00-073-6123, 5136-00-580-7361, 5310-00-703-2078 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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