PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SM-A-837759-2Transformer,power

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5950-01-148-8478 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-148-8478 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-148-8478. Primary manufacturer part number: SM-A-837759-2.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Nominal Thread Size: 0.112 INCHES SINGLE GROUP IN
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 1.555 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Body Length: 1.880 INCHES MAXIMUM IN
  • Winding Operating Voltage: 22.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Frequency Rating: 12.5 KILOHERTZ NOMINAL 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 5950-01-148-8478, 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 22 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-148-8478
Primary Part NumberSM-A-837759-2
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Nominal Thread Size0.112 INCHES SINGLE GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Width1.555 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Length1.880 INCHES MAXIMUM IN
Winding Operating Voltage22.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Mounting Facility Quantity4 SINGLE GROUP
Frequency Rating12.5 KILOHERTZ NOMINAL SINGLE COMPONENT
Winding Operating Voltage88.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Operating Current10.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Thread Quantity Per Inch40 SINGLE GROUP
Body Height2.490 INCHES MAXIMUM IN
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Winding Operating Voltage33.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Body Width1.880 INCHES MAXIMUM IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
Maximum Operating Temp85.0 CELSIUS DEGC
Center to Center Distance Between Mounting Facilities Parallel to Length1.555 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Current20.5 AMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Terminal Type and Quantity9 TURRET
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
4730-00-037-785013514 INTERCHANGEABLE
Reducer,tube
Triumph Engine Control Systems Llc
2540-00-085-77721-3514 INTERCHANGEABLE
Drawbar,dolley Set
Pdi Ground Support Systems, Inc.
1680-00-130-5914WE-2822 INTERCHANGEABLE
Housing,main,actuat
Breeze-Eastern Llc
3110-00-198-1783 INTERCHANGEABLE
Cup,tapered Roller Bearing
3930-00-612-0773 INTERCHANGEABLE
Parts Kit,linear Actuating Cylin
5355-01-226-7569 INTERCHANGEABLE
Bearing,radial
6240-01-344-693432B10C/W/4M/SS/120V INTERCHANGEABLE
Lamp,incandescent
Gte Products Corp Sylvania Miniature Lighting Div
5360-01-355-8566 INTERCHANGEABLE
Spring
5330-01-471-699313514 INTERCHANGEABLE
Seal,plain
Skf Usa Inc Div Vsm
6685-01-478-4386 INTERCHANGEABLE
Gage,pressure,dial Indicating
Cross-Reference Index
Part NumberManufacturer
17967 Robert M. Hadley Company, Inc. (USA)
WE-2822 Wems Electronics Transformer Group (USA)
SM-A-837759-2 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
13514 Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems (USA)
WE-2822 Magnetika Inc (USA)
Related Parts
4730-00-037-7850INTERCHANGEABLE
REDUCER,TUBE
13514
2540-00-085-7772INTERCHANGEABLE
DRAWBAR,DOLLEY SET
1-3514
1680-00-130-5914INTERCHANGEABLE
HOUSING,MAIN,ACTUAT
WE-2822
3110-00-198-1783INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
3930-00-612-0773INTERCHANGEABLE
PARTS KIT,LINEAR ACTUATING CYLIN
5355-01-226-7569INTERCHANGEABLE
BEARING,RADIAL
6240-01-344-6934INTERCHANGEABLE
LAMP,INCANDESCENT
32B10C/W/4M/SS/120V
5360-01-355-8566INTERCHANGEABLE
SPRING
5330-01-471-6993INTERCHANGEABLE
SEAL,PLAIN
13514
6685-01-478-4386INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
5305-01-549-4159INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
17967

Frequently Asked Questions

What is NSN 5950-01-148-8478?

NSN 5950-01-148-8478 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 5950-01-148-8478?

NSN 5950-01-148-8478 has 5 cross-referenced part numbers: 17967 (Robert M. Hadley Company, Inc.), WE-2822 (Wems Electronics Transformer Group), SM-A-837759-2 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 13514 (Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems), WE-2822 (Magnetika Inc).

What NSN replaces 5950-01-148-8478?

There are 11 known substitutes for 5950-01-148-8478: 4730-00-037-7850, 2540-00-085-7772, 1680-00-130-5914 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SM-A-837759-2?

Key specifications for SM-A-837759-2: Reliability Indicator: NOT ESTABLISHED; Nominal Thread Size: 0.112 INCHES SINGLE GROUP IN; Center to Center Distance Between Mounting Facilities Parallel to Width: 1.555 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Body Length: 1.880 INCHES MAXIMUM IN. 22 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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