PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

43126Transformer,power

Coast/advanced Chip Magnetics, Inc. · NSN 5950-00-154-0123 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-154-0123 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-154-0123. Primary manufacturer part number: 43126.
Features
  • Transformer,power — FSC 5950
  • Frequency Rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT
  • Inclosure Type: HERMETICALLY SEALED
  • Reliability Indicator: NOT ESTABLISHED
  • Body Width: 1.563 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN
  • Body Height: 2.187 INCHES MINIMUM AND 2.375 INCHES MAXIMUM IN
  • Winding Operating Voltage: 26.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
  • Mounting Facility Quantity: 4 SINGLE GROUP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-154-0123, is classified within Federal Supply Class 5950 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Coast/advanced Chip Magnetics, Inc.. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 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
NSN5950-00-154-0123
Primary Part Number43126
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerCoast/advanced Chip Magnetics, Inc.
StatusACTIVE
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Inclosure TypeHERMETICALLY SEALED
Reliability IndicatorNOT ESTABLISHED
Body Width1.563 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN
Body Height2.187 INCHES MINIMUM AND 2.375 INCHES MAXIMUM IN
Winding Operating Voltage26.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Mounting Facility Quantity4 SINGLE GROUP
Terminal Type and Quantity11 TAB, SOLDER LUG
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Winding Operating Voltage2.50 AC VOLTS NOMINAL AND 10.00 AC VOLTS NOMINAL AND 90.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Maximum Operating Temp105.0 CELSIUS DEGC
Body Length1.563 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN
Center to Center Distance Between Mounting Facilities Parallel to Width1.172 INCHES MINIMUM AND 1.204 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Length1.172 INCHES MINIMUM AND 1.204 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Function and Quantity1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Winding Operating Voltage2.50 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5360-00-459-9896 INTERCHANGEABLE
Spring,helical,extension
6685-01-060-3179UA-1155-01 INTERCHANGEABLE
Lead Assembly
United Avionics, Inc. Dba United Avionics Inc
4810-01-373-622243126 INTERCHANGEABLE
Cap,valve
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
6640-01-468-697143126 INTERCHANGEABLE
Guard Column
Dionex Corporation
4730-01-505-091043126 INTERCHANGEABLE
Manifold,hydraulic System Access
Allied Systems Company Dba Allied Systems Co
5930-01-629-605343126 INTERCHANGEABLE
Switch,flow
Thomas Products Llc
6230-01-733-545166604 INTERCHANGEABLE
Flashlight
Streamlight Inc Dba Streamlight Inc
Cross-Reference Index
Part NumberManufacturer
43126 Coast/advanced Chip Magnetics, Inc. (USA)
DAQ1606 Ramsco Corp (USA)
PEI 7023 Precision Electronics, Inc (USA)
66604 Northrop Grumman Corp Precision Products Plant (USA)
RAM1606 Ramsco Corp (USA)
66604-001 Northrop Grumman Corp Precision Products Plant (USA)
Related Parts
5360-00-459-9896INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
6685-01-060-3179INTERCHANGEABLE
LEAD ASSEMBLY
UA-1155-01
4810-01-373-6222INTERCHANGEABLE
CAP,VALVE
43126
6640-01-468-6971INTERCHANGEABLE
GUARD COLUMN
43126
4730-01-505-0910INTERCHANGEABLE
MANIFOLD,HYDRAULIC SYSTEM ACCESS
43126
5930-01-629-6053INTERCHANGEABLE
SWITCH,FLOW
43126
6230-01-733-5451INTERCHANGEABLE
FLASHLIGHT
66604

Frequently Asked Questions

What is NSN 5950-00-154-0123?

NSN 5950-00-154-0123 is a Transformer,power, manufactured by Coast/advanced Chip Magnetics, Inc., classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-154-0123?

NSN 5950-00-154-0123 has 6 cross-referenced part numbers: 43126 (Coast/advanced Chip Magnetics, Inc.), DAQ1606 (Ramsco Corp), PEI 7023 (Precision Electronics, Inc), 66604 (Northrop Grumman Corp Precision Products Plant), RAM1606 (Ramsco Corp) and 1 more.

What NSN replaces 5950-00-154-0123?

There are 7 known substitutes for 5950-00-154-0123: 5360-00-459-9896, 6685-01-060-3179, 4810-01-373-6222 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 43126?

Key specifications for 43126: Frequency Rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT; Inclosure Type: HERMETICALLY SEALED; Reliability Indicator: NOT ESTABLISHED; Body Width: 1.563 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN. 20 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com