PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

WM-5454Transformer,power

Magnetic Components Inc · NSN 5950-00-878-7957 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-878-7957 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-878-7957. Primary manufacturer part number: WM-5454.
Features
  • Transformer,power — FSC 5950
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Winding Operating Voltage: 15.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
  • Winding Operating Voltage: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Mounting Method: BRACKET(S) AND UNTHREADED HOLE(S) SINGLE GROUP
  • Winding Operating Current: 4.0 AMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
  • Winding Operating Current: 5.0 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-878-7957, 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 Magnetic Components Inc. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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
NSN5950-00-878-7957
Primary Part NumberWM-5454
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerMagnetic Components Inc
StatusACTIVE
Center to Center Distance Between Mounting Facilities Parallel to Length1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Voltage15.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Center to Center Distance Between Mounting Facilities Parallel to Width1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting MethodBRACKET(S) AND UNTHREADED HOLE(S) SINGLE GROUP
Winding Operating Current4.0 AMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Winding Operating Current5.0 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Inclosure TypeHERMETICALLY SEALED
Terminal Type and Quantity7 TAB, SOLDER LUG
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Winding Operating Voltage23.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Body Length2.500 INCHES MAXIMUM IN
Mounting Facility Quantity4 SINGLE GROUP
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Body Height2.125 INCHES MAXIMUM IN
Body Width1.812 INCHES MAXIMUM IN
Mounting Hole Diameter0.156 INCHES NOMINAL SINGLE GROUP IN
Winding Shielding MethodINTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-070-6929381-7 PL0857-C INTERCHANGEABLE
Valve,angle
Admiral Valve Llc Dba Cpv Manufacturing
5330-00-080-02303817 INTERCHANGEABLE
Packing,preformed
Parker Hannifin Corporation Div Chelsea Products Division
2805-00-173-05251-753GSTD INTERCHANGEABLE
Ring Set,piston
Moog Automotive Inc
5935-00-193-7724K-34J885-8 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Lockheed Martin Corporation Div Rms
5307-00-195-975738-17 INTERCHANGEABLE
Stud,plain
Textron Lycoming Inc Williamsport Plant
5905-00-196-27730205 INTERCHANGEABLE
Resistor,fixed,wire Wound
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5360-00-358-4140CA547 INTERCHANGEABLE
Spring,helical,compression
Maremont Corp
5930-00-369-0281 INTERCHANGEABLE
Handle,knife Switch
5310-00-397-18953817 INTERCHANGEABLE
Washer,spring Tension
Instruments and Flight Research, Inc.
4820-00-457-1599RK119B INTERCHANGEABLE
Parts Kit,pressure Regulating VA
Parker-Hannifin Corporation Dba Pneumatic North America Div Pneumatics North America
Cross-Reference Index
Part NumberManufacturer
WM-5454 PRIMARY Magnetic Components Inc (USA)
5454 Magnetic Components Inc (USA)
3817 Naval Electronic Systems Security Engineering Center (USA)
Related Parts
4820-00-070-6929INTERCHANGEABLE
VALVE,ANGLE
381-7 PL0857-C
5330-00-080-0230INTERCHANGEABLE
PACKING,PREFORMED
3817
2805-00-173-0525INTERCHANGEABLE
RING SET,PISTON
1-753GSTD
5935-00-193-7724INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
K-34J885-8
5307-00-195-9757INTERCHANGEABLE
STUD,PLAIN
38-17
5905-00-196-2773INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
0205
5360-00-358-4140INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
CA547
5930-00-369-0281INTERCHANGEABLE
HANDLE,KNIFE SWITCH
5310-00-397-1895INTERCHANGEABLE
WASHER,SPRING TENSION
3817
4820-00-457-1599INTERCHANGEABLE
PARTS KIT,PRESSURE REGULATING VA
RK119B
1005-00-464-1279INTERCHANGEABLE
ROD,EXTRACTOR
054540001
5950-00-498-8302INTERCHANGEABLE
TRANSFORMER,POWER
3817

Frequently Asked Questions

What is NSN 5950-00-878-7957?

NSN 5950-00-878-7957 is a Transformer,power, manufactured by Magnetic Components Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-878-7957?

NSN 5950-00-878-7957 has 3 cross-referenced part numbers: WM-5454 (Magnetic Components Inc), 5454 (Magnetic Components Inc), 3817 (Naval Electronic Systems Security Engineering Center).

What NSN replaces 5950-00-878-7957?

There are 12 known substitutes for 5950-00-878-7957: 4820-00-070-6929, 5330-00-080-0230, 2805-00-173-0525 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of WM-5454?

Key specifications for WM-5454: Center to Center Distance Between Mounting Facilities Parallel to Length: 1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Winding Operating Voltage: 15.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY; Winding Operating Voltage: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY; Center to Center Distance Between Mounting Facilities Parallel to Width: 1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 20 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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