PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2778239Transformer,power

Raytheon Company Dba Raytheon · NSN 5950-01-200-7893 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-200-7893 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-200-7893. Primary manufacturer part number: 2778239.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Winding Shielding Method: INTERNAL SHIELD GROUNDED TO CORE SINGLE COMPONENT
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
  • Body Width: 2.250 INCHES MAXIMUM IN
  • Body Height: 3.680 INCHES MAXIMUM IN
  • Maximum Operating Temp: 130.0 CELSIUS DEGC
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-01-200-7893, 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 Raytheon Company Dba Raytheon. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 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
NSN5950-01-200-7893
Primary Part Number2778239
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO CORE SINGLE COMPONENT
Mounting Facility Quantity4 SINGLE GROUP
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Body Width2.250 INCHES MAXIMUM IN
Body Height3.680 INCHES MAXIMUM IN
Maximum Operating Temp130.0 CELSIUS DEGC
Winding Operating Voltage105.80 AC VOLTS MINIMUM AND 120.75 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Body Length2.600 INCHES MAXIMUM IN
Winding Operating Voltage103.68 AC VOLTS MINIMUM AND 123.17 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Terminal Type and Quantity4 TAB, SOLDER LUG
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Width1.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Winding Operating Current4.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Length2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-045-2656 INTERCHANGEABLE
Elbow,pipe
1680-00-045-7081C15302 INTERCHANGEABLE
Gearbox Assembly,aircraft
Safe Flight Instrument, Llc
5330-00-160-63968119 INTERCHANGEABLE
Gasket
Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc
5310-00-167-0729 INTERCHANGEABLE
Washer,convex
5210-00-189-9558 INTERCHANGEABLE
Blade,thickness Gage
5910-00-280-5902 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
5330-00-291-794688AX12 INTERCHANGEABLE
Seal,plain Encased
Mack Trucks Inc Parts Opn
2990-00-307-3838T-8119 INTERCHANGEABLE
Muffler,exhaust
Cummins Filtration Inc.
3810-00-353-11028119 INTERCHANGEABLE
Felt,wiper
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5340-00-408-6195 INTERCHANGEABLE
Deflector,dirt and Liquid
Cross-Reference Index
Part NumberManufacturer
8119 Precision Electronics, Inc (USA)
9558 Harder Donald C Co Inc (USA)
2778239 Berkshire Transformer (USA)
C15302 Electronic Transformer Corp Div Electronic Transformer Corporation (USA)
2778239 PRIMARY Raytheon Company Dba Raytheon (USA)
43838 Coast/advanced Chip Magnetics, Inc. (USA)
99558 Electronic Corp of America (USA)
Related Parts
4730-00-045-2656INTERCHANGEABLE
ELBOW,PIPE
1680-00-045-7081INTERCHANGEABLE
GEARBOX ASSEMBLY,AIRCRAFT
C15302
5330-00-160-6396INTERCHANGEABLE
GASKET
8119
5310-00-167-0729INTERCHANGEABLE
WASHER,CONVEX
5210-00-189-9558INTERCHANGEABLE
BLADE,THICKNESS GAGE
5910-00-280-5902INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
5330-00-291-7946INTERCHANGEABLE
SEAL,PLAIN ENCASED
88AX12
2990-00-307-3838INTERCHANGEABLE
MUFFLER,EXHAUST
T-8119
3810-00-353-1102INTERCHANGEABLE
FELT,WIPER
8119
5340-00-408-6195INTERCHANGEABLE
DEFLECTOR,DIRT AND LIQUID
5999-00-412-5667INTERCHANGEABLE
CONTACT,ELECTRICAL
9558
4730-00-413-5526INTERCHANGEABLE
ELBOW,TUBE TO HOSE
25236-8-8S

Frequently Asked Questions

What is NSN 5950-01-200-7893?

NSN 5950-01-200-7893 is a Transformer,power, manufactured by Raytheon Company Dba Raytheon, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-200-7893?

NSN 5950-01-200-7893 has 7 cross-referenced part numbers: 8119 (Precision Electronics, Inc), 9558 (Harder Donald C Co Inc), 2778239 (Berkshire Transformer), C15302 (Electronic Transformer Corp Div Electronic Transformer Corporation), 2778239 (Raytheon Company Dba Raytheon) and 2 more.

What NSN replaces 5950-01-200-7893?

There are 12 known substitutes for 5950-01-200-7893: 4730-00-045-2656, 1680-00-045-7081, 5330-00-160-6396 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2778239?

Key specifications for 2778239: Reliability Indicator: NOT ESTABLISHED; Winding Shielding Method: INTERNAL SHIELD GROUNDED TO CORE SINGLE COMPONENT; Mounting Facility Quantity: 4 SINGLE GROUP; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP. 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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