PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SM-A-858492Transformer,power

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5950-01-123-1491 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-123-1491 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-123-1491. Primary manufacturer part number: SM-A-858492.
Features
  • Transformer,power — FSC 5950
  • Hazardous Locations/environmental Protection: MOISTURE RESISTANT
  • Reliability Indicator: NOT ESTABLISHED
  • Body Width: 0.900 INCHES MAXIMUM IN
  • Mounting Method: TERMINAL SINGLE GROUP
  • Terminal Type and Quantity: 4 WIRE LEAD
  • Frequency Rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-01-123-1491, 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 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-123-1491
Primary Part NumberSM-A-858492
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Hazardous Locations/environmental ProtectionMOISTURE RESISTANT
Reliability IndicatorNOT ESTABLISHED
Body Width0.900 INCHES MAXIMUM IN
Mounting MethodTERMINAL SINGLE GROUP
Terminal Type and Quantity4 WIRE LEAD
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Body Length1.000 INCHES MAXIMUM IN
Test Data Document80063-SM-A-858492 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
Maximum Operating Temp130.0 CELSIUS DEGC
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Body Height0.600 INCHES MAXIMUM IN
Winding Operating Voltage26.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Inclosure TypeFULLY INCLOSED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-100-315215100 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
5305-00-150-9212 INTERCHANGEABLE
Screw,machine
3110-00-156-1486 INTERCHANGEABLE
Bearing,roller,thrust
5965-00-164-8081T26 INTERCHANGEABLE
Chest Set,electrical
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5340-00-190-6807MS21314-13 INTERCHANGEABLE
Strap,retaining
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
6685-00-245-4487T-26 INTERCHANGEABLE
Control,temperature
Johnson Controls, Inc Div Building Efficiency
5950-00-268-9009T26 INTERCHANGEABLE
Transformer,audio Frequency
Electronic Transformer Corp Div Electronic Transformer Corporation
7930-00-281-3267NFP-80 INTERCHANGEABLE
Polish,automobile
Reed-Union Corporation
5940-00-329-5801T26 INTERCHANGEABLE
Terminal,lug
Horizon Aerospace Llc Dba Magnetics Division
5950-00-348-0444 INTERCHANGEABLE
Transformer,pulse
Cross-Reference Index
Part NumberManufacturer
T26 North Atlantic Industries Inc Transmagnetics Div (USA)
SM-A-858492 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
12915 Standex Electronics, Inc. (USA)
TW70469 Magnetika (USA)
43245 Coast/advanced Chip Magnetics, Inc. (USA)
Related Parts
3110-00-100-3152INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
15100
5305-00-150-9212INTERCHANGEABLE
SCREW,MACHINE
3110-00-156-1486INTERCHANGEABLE
BEARING,ROLLER,THRUST
5965-00-164-8081INTERCHANGEABLE
CHEST SET,ELECTRICAL
T26
5340-00-190-6807INTERCHANGEABLE
STRAP,RETAINING
MS21314-13
6685-00-245-4487INTERCHANGEABLE
CONTROL,TEMPERATURE
T-26
5950-00-268-9009INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
T26
7930-00-281-3267INTERCHANGEABLE
POLISH,AUTOMOBILE
NFP-80
5940-00-329-5801INTERCHANGEABLE
TERMINAL,LUG
T26
5950-00-348-0444INTERCHANGEABLE
TRANSFORMER,PULSE
2520-00-358-3998INTERCHANGEABLE
LEVER,RELEASE
306038
5305-00-410-3444INTERCHANGEABLE
THUMBSCREW
M1T-26

Frequently Asked Questions

What is NSN 5950-01-123-1491?

NSN 5950-01-123-1491 is a Transformer,power, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-123-1491?

NSN 5950-01-123-1491 has 5 cross-referenced part numbers: T26 (North Atlantic Industries Inc Transmagnetics Div), SM-A-858492 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 12915 (Standex Electronics, Inc.), TW70469 (Magnetika), 43245 (Coast/advanced Chip Magnetics, Inc.).

What NSN replaces 5950-01-123-1491?

There are 12 known substitutes for 5950-01-123-1491: 3110-00-100-3152, 5305-00-150-9212, 3110-00-156-1486 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SM-A-858492?

Key specifications for SM-A-858492: Hazardous Locations/environmental Protection: MOISTURE RESISTANT; Reliability Indicator: NOT ESTABLISHED; Body Width: 0.900 INCHES MAXIMUM IN; Mounting Method: TERMINAL SINGLE GROUP. 14 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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