PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

984877-1BTransformer,power

Raytheon Company Dba Raytheon · NSN 5950-01-122-7286 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-122-7286 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-122-7286. Primary manufacturer part number: 984877-1B.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Body Length: 1.030 INCHES MAXIMUM IN
  • Winding Power Rating: 49.6 VOLTS-AMPERES SINGLE COMPONENT FOURTH SECONDARY
  • Winding Operating Voltage: 15.55 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
  • Winding Operating Current: 2.0 AMPERES AC NOMINAL SINGLE COMPONENT SECOND SECONDARY
  • Winding Power Rating: 3.5 VOLTS-AMPERES SINGLE COMPONENT THIRD SECONDARY
  • Nominal Thread Size: 0.138 INCHES SINGLE GROUP IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-01-122-7286, 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 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 9 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
NSN5950-01-122-7286
Primary Part Number984877-1B
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Body Length1.030 INCHES MAXIMUM IN
Winding Power Rating49.6 VOLTS-AMPERES SINGLE COMPONENT FOURTH SECONDARY
Winding Operating Voltage15.55 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Winding Operating Current2.0 AMPERES AC NOMINAL SINGLE COMPONENT SECOND SECONDARY
Winding Power Rating3.5 VOLTS-AMPERES SINGLE COMPONENT THIRD SECONDARY
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Winding Operating Current200.0 MILLIAMPERES AC NOMINAL SINGLE COMPONENT THIRD SECONDARY
Winding Operating Voltage6.36 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Frequency Rating10.0 KILOHERTZ NOMINAL SINGLE COMPONENT
Winding Operating Voltage39.59 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Operating Voltage18.38 AC VOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY
Winding Power Rating25.4 VOLTS-AMPERES SINGLE COMPONENT FIRST SECONDARY
Winding Operating Current4.0 AMPERES AC NOMINAL SINGLE COMPONENT FIRST SECONDARY
Winding Operating Voltage17.68 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
Body Outside Diameter1.690 INCHES MAXIMUM IN
Maximum Operating Temp130.0 CELSIUS DEGC
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Winding Power Rating31.1 VOLTS-AMPERES SINGLE COMPONENT SECOND SECONDARY
Terminal Type and Quantity21 PIN
Winding Operating Current2.7 AMPERES AC NOMINAL SINGLE COMPONENT FOURTH SECONDARY
Mounting Facility Quantity1 SINGLE GROUP
Inclosure TypeFULLY INCLOSED
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Winding Function and Quantity1 PRIMARY AND 6 SECONDARY SINGLE COMPONENT
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3020-00-056-16191197109 INTERCHANGEABLE
Gear,spur
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5950-00-062-12641849-1 INTERCHANGEABLE
Transformer,power
Rockwell Collins, Inc. Dba Rc Displays Systems
2990-00-102-085377P375 INTERCHANGEABLE
Cap Assembly,protective,muffler-
Mercury Products Corp
5930-00-504-6094 INTERCHANGEABLE
Switch,sensitive
5950-00-824-3603 INTERCHANGEABLE
Coil,radio Frequency
5915-00-849-3466SM-D-413719 INTERCHANGEABLE
Filter,band Pass
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3020-01-132-369818491 INTERCHANGEABLE
Gear Cluster
Scientific Atlanta Inc
5962-01-204-133141707 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Div Rmd Strategic
6150-01-261-2501R66593 INTERCHANGEABLE
Lead,electrical
Deere & Co
5365-01-294-990518491 INTERCHANGEABLE
Spacer,plate
Williams International Co., L.l.c.
Cross-Reference Index
Part NumberManufacturer
41707 Coast/advanced Chip Magnetics, Inc. (USA)
18491 Robert M. Hadley Company, Inc. (USA)
10132768 Nimikkeistokeskus Ncb Finland (FIN)
984877-1B PRIMARY Raytheon Company Dba Raytheon (USA)
WE-3217 Wems Electronics Transformer Group (USA)
C13778 Electronic Transformer Corp Div Electronic Transformer Corporation (USA)
861890 Raytheon Company Dba Raytheon (USA)
310-18002-01 Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems (USA)
WE3217 Magnetika Inc (USA)
PEI 6775 Precision Electronics, Inc (USA)
Related Parts
3020-00-056-1619INTERCHANGEABLE
GEAR,SPUR
1197109
5950-00-062-1264INTERCHANGEABLE
TRANSFORMER,POWER
1849-1
2990-00-102-0853INTERCHANGEABLE
CAP ASSEMBLY,PROTECTIVE,MUFFLER-
77P375
5930-00-504-6094INTERCHANGEABLE
SWITCH,SENSITIVE
5950-00-824-3603INTERCHANGEABLE
COIL,RADIO FREQUENCY
5915-00-849-3466INTERCHANGEABLE
FILTER,BAND PASS
SM-D-413719
3020-01-132-3698INTERCHANGEABLE
GEAR CLUSTER
18491
5962-01-204-1331INTERCHANGEABLE
MICROCIRCUIT,MEMORY
41707
6150-01-261-2501INTERCHANGEABLE
LEAD,ELECTRICAL
R66593
5365-01-294-9905INTERCHANGEABLE
SPACER,PLATE
18491
5305-01-371-7166INTERCHANGEABLE
SCREW,SHOULDER
41707
4820-01-376-3255INTERCHANGEABLE
STEM,FLUID VALVE

Frequently Asked Questions

What is NSN 5950-01-122-7286?

NSN 5950-01-122-7286 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 5950-01-122-7286?

NSN 5950-01-122-7286 has 10 cross-referenced part numbers: 41707 (Coast/advanced Chip Magnetics, Inc.), 18491 (Robert M. Hadley Company, Inc.), 10132768 (Nimikkeistokeskus Ncb Finland), 984877-1B (Raytheon Company Dba Raytheon), WE-3217 (Wems Electronics Transformer Group) and 5 more.

What NSN replaces 5950-01-122-7286?

There are 12 known substitutes for 5950-01-122-7286: 3020-00-056-1619, 5950-00-062-1264, 2990-00-102-0853 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 984877-1B?

Key specifications for 984877-1B: Reliability Indicator: NOT ESTABLISHED; Body Length: 1.030 INCHES MAXIMUM IN; Winding Power Rating: 49.6 VOLTS-AMPERES SINGLE COMPONENT FOURTH SECONDARY; Winding Operating Voltage: 15.55 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY. 27 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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