PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M-7405815-2Transformer,power

Westinghouse Electric Corp · NSN 5950-00-635-4957 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-635-4957 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-635-4957. Primary manufacturer part number: M-7405815-2.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Body Height: 7.500 INCHES NOMINAL IN
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 4.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Inclosure Type: FULLY INCLOSED
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Terminal Type and Quantity: 6 TAB, SOLDER LUG
  • Maximum Transformer Power Rating: 250.0 VOLT-AMPERE 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 5950-00-635-4957, 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 Westinghouse Electric Corp. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN5950-00-635-4957
Primary Part NumberM-7405815-2
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerWestinghouse Electric Corp
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Body Height7.500 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Length4.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Inclosure TypeFULLY INCLOSED
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Terminal Type and Quantity6 TAB, SOLDER LUG
Maximum Transformer Power Rating250.0 VOLT-AMPERE SINGLE COMPONENT
Body Width3.750 INCHES NOMINAL IN
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Mounting Facility Quantity4 SINGLE GROUP
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Mounting Hole Diameter0.312 INCHES NOMINAL SINGLE GROUP IN
Winding Operating Voltage220.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Cooling MethodSELF-COOLED
Cooling TypeFINS
Winding Operating Voltage440.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Body Length5.750 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Width3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
3110-00-100-369907098 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
2520-00-113-0562 INTERCHANGEABLE
Axle Assembly,automotive,driving
1560-00-436-759130300 INTERCHANGEABLE
Tank,fuel,aircraft
American Fuel Cell and Coated Fabrics Company, Llc
5935-00-755-3724357-9509-000 INTERCHANGEABLE
Connector,plug,electrical
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
1650-00-924-300530300 INTERCHANGEABLE
Dampener,flutter
The Boeing Company Div Defense
5950-00-949-5401SMD568358 INTERCHANGEABLE
Transformer,power
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5310-01-167-6505 INTERCHANGEABLE
Washer,lock
3230-01-269-9697DW6407 INTERCHANGEABLE
Bit,router
Black and Decker Us Inc
8145-01-337-9996 INTERCHANGEABLE
Refrigerated,container System (r
5305-01-368-79623030.0 INTERCHANGEABLE
Screw,machine
Weidmueller Terminations Inc
Cross-Reference Index
Part NumberManufacturer
30300 Naval Ship Systems Command (USA)
M-7405815-2 PRIMARY Westinghouse Electric Corp (USA)
Related Parts
3110-00-100-3699INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
07098
2520-00-113-0562INTERCHANGEABLE
AXLE ASSEMBLY,AUTOMOTIVE,DRIVING
1560-00-436-7591INTERCHANGEABLE
TANK,FUEL,AIRCRAFT
30300
5935-00-755-3724INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
357-9509-000
1650-00-924-3005INTERCHANGEABLE
DAMPENER,FLUTTER
30300
5950-00-949-5401INTERCHANGEABLE
TRANSFORMER,POWER
SMD568358
5310-01-167-6505INTERCHANGEABLE
WASHER,LOCK
3230-01-269-9697INTERCHANGEABLE
BIT,ROUTER
DW6407
8145-01-337-9996INTERCHANGEABLE
REFRIGERATED,CONTAINER SYSTEM (R
5305-01-368-7962INTERCHANGEABLE
SCREW,MACHINE
3030.0
6530-01-643-5297INTERCHANGEABLE
SPLINT SET,PNEUMATIC
FIN-0005-01

Frequently Asked Questions

What is NSN 5950-00-635-4957?

NSN 5950-00-635-4957 is a Transformer,power, manufactured by Westinghouse Electric Corp, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-635-4957?

NSN 5950-00-635-4957 has 2 cross-referenced part numbers: 30300 (Naval Ship Systems Command), M-7405815-2 (Westinghouse Electric Corp).

What NSN replaces 5950-00-635-4957?

There are 11 known substitutes for 5950-00-635-4957: 3110-00-100-3699, 2520-00-113-0562, 1560-00-436-7591 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M-7405815-2?

Key specifications for M-7405815-2: Reliability Indicator: NOT ESTABLISHED; Body Height: 7.500 INCHES NOMINAL IN; Center to Center Distance Between Mounting Facilities Parallel to Length: 4.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Inclosure Type: FULLY INCLOSED. 19 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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