PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SM-C-542756Transformer,power

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5950-01-028-6664 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-028-6664 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-028-6664. Primary manufacturer part number: SM-C-542756.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Nominal Thread Size: 0.164 INCHES SINGLE GROUP IN
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 2.234 INCHES MINIMUM AND 2.266 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Inclosure Type: FULLY INCLOSED
  • Terminal Type and Quantity: 8 WIRE LEAD
  • Body Height: 2.984 INCHES MINIMUM AND 3.016 INCHES MAXIMUM IN
  • Mounting Method: THREADED STUD(S) 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 5950-01-028-6664, 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 24 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-028-6664
Primary Part NumberSM-C-542756
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 Size0.164 INCHES SINGLE GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Length2.234 INCHES MINIMUM AND 2.266 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Inclosure TypeFULLY INCLOSED
Terminal Type and Quantity8 WIRE LEAD
Body Height2.984 INCHES MINIMUM AND 3.016 INCHES MAXIMUM IN
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Winding Operating Current2.0 AMPERES AC NOMINAL SINGLE COMPONENT SECOND SECONDARY
Features ProvidedCOLOR CODED LEAD
Body Length2.672 INCHES MINIMUM AND 2.704 INCHES MAXIMUM IN
Winding Power Rating12.6 VOLTS-AMPERES SINGLE COMPONENT SECOND SECONDARY
Winding Operating Voltage6.30 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Frequency Rating50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT
Maximum Transformer Power Rating40.0 WATTS SINGLE COMPONENT
Winding Operating Current50.0 MILLIAMPERES DC NOMINAL SINGLE COMPONENT FIRST SECONDARY
Winding Operating Voltage630.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Maximum Operating Temp105.0 CELSIUS DEGC
Body Width2.297 INCHES MINIMUM AND 2.329 INCHES MAXIMUM IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Mounting Facility Quantity4 SINGLE GROUP
Winding Operating Voltage117.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Center to Center Distance Between Mounting Facilities Parallel to Width2.109 INCHES MINIMUM AND 2.141 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
2990-00-153-7271441594C1 INTERCHANGEABLE
Pipe,exhaust
Navistar Intl Corp Truck Br Ohio Plant
5325-00-200-7377 INTERCHANGEABLE
Ring,retaining
6125-00-500-118451854 INTERCHANGEABLE
Motor-Generator
Leach International Corp Div Leach International Corporation
5961-00-577-30232N270 INTERCHANGEABLE
Transistor
New Jersey Semiconductor Products Inc Eagle Electronics Div
5310-01-138-1142PE59 INTERCHANGEABLE
Washer,lock
Wisconsin Motors, Llc
5305-01-242-630340258 INTERCHANGEABLE
Screw,cap,socket Head
Naval Inventory Control Point Mechanicsburg
5325-01-267-980040258 INTERCHANGEABLE
Ring,retaining
L & R Manufacturing Company
5998-01-429-892340258 INTERCHANGEABLE
Printed Wiring Board
Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit
4320-01-465-4963 INTERCHANGEABLE
Motor,hydraulic
5310-01-556-681540258 INTERCHANGEABLE
Washer,lock
Fastenal Company Dba Fastenal Co
Cross-Reference Index
Part NumberManufacturer
PE-59 Power Magne-Tech Corp Dba Power Magnetic (USA)
40258 Freed Transformer Co (USA)
51854 Magnetika Inc Div Magnetika/phillipsburg Location (USA)
SM-C-542756 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
51854 Opt Industries Inc Div of Electronika Inc (USA)
Related Parts
2990-00-153-7271INTERCHANGEABLE
PIPE,EXHAUST
441594C1
5325-00-200-7377INTERCHANGEABLE
RING,RETAINING
6125-00-500-1184INTERCHANGEABLE
MOTOR-GENERATOR
51854
5961-00-577-3023INTERCHANGEABLE
TRANSISTOR
2N270
5310-01-138-1142INTERCHANGEABLE
WASHER,LOCK
PE59
5305-01-242-6303INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
40258
5325-01-267-9800INTERCHANGEABLE
RING,RETAINING
40258
5998-01-429-8923INTERCHANGEABLE
PRINTED WIRING BOARD
40258
4320-01-465-4963INTERCHANGEABLE
MOTOR,HYDRAULIC
5310-01-556-6815INTERCHANGEABLE
WASHER,LOCK
40258

Frequently Asked Questions

What is NSN 5950-01-028-6664?

NSN 5950-01-028-6664 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 5950-01-028-6664?

NSN 5950-01-028-6664 has 5 cross-referenced part numbers: PE-59 (Power Magne-Tech Corp Dba Power Magnetic), 40258 (Freed Transformer Co), 51854 (Magnetika Inc Div Magnetika/phillipsburg Location), SM-C-542756 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 51854 (Opt Industries Inc Div of Electronika Inc).

What NSN replaces 5950-01-028-6664?

There are 10 known substitutes for 5950-01-028-6664: 2990-00-153-7271, 5325-00-200-7377, 6125-00-500-1184 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SM-C-542756?

Key specifications for SM-C-542756: Reliability Indicator: NOT ESTABLISHED; Nominal Thread Size: 0.164 INCHES SINGLE GROUP IN; Center to Center Distance Between Mounting Facilities Parallel to Length: 2.234 INCHES MINIMUM AND 2.266 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Inclosure Type: FULLY INCLOSED. 24 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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