PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9100-0157Transformer,power

Keysight Technologies Inc · NSN 5950-00-980-0381 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-980-0381 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-980-0381. Primary manufacturer part number: 9100-0157.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Inclosure Type: HERMETICALLY SEALED
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
  • Frequency Rating: 50.0 HERTZ MINIMUM AND 1.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
  • Mounting Method: THREADED STUD(S) SINGLE GROUP
  • Winding Function and Quantity: 2 PRIMARY AND 8 SECONDARY SINGLE COMPONENT
  • Winding Shielding Method: INTERNAL SHIELD GROUNDED TO INCLOSURE 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 5950-00-980-0381, 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 Keysight Technologies Inc. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-980-0381
Primary Part Number9100-0157
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerKeysight Technologies Inc
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Inclosure TypeHERMETICALLY SEALED
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Frequency Rating50.0 HERTZ MINIMUM AND 1.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Winding Function and Quantity2 PRIMARY AND 8 SECONDARY SINGLE COMPONENT
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
Body Width4.000 INCHES NOMINAL IN
Body Height5.312 INCHES NOMINAL IN
Nominal Thread Size0.250 INCHES SINGLE GROUP IN
Terminal Type and Quantity20 STANDOFF, SOLDER LUG
Body Length4.718 INCHES NOMINAL IN
Thread Quantity Per Inch20 SINGLE GROUP
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Mounting Facility Quantity4 SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Width3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Length3.687 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5905-00-593-82341225790 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5950-01-074-1195 INTERCHANGEABLE
Transformer
Cross-Reference Index
Part NumberManufacturer
9100-0157 PRIMARY Keysight Technologies Inc (USA)
61984 James Electronics Inc (USA)
9100-0157 Hewlett-Packard Company Dba HP (USA)
9100-0157 Keysight Technologies, Inc. (USA)
Related Parts
5905-00-593-8234INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
1225790
5950-01-074-1195INTERCHANGEABLE
TRANSFORMER

Frequently Asked Questions

What is NSN 5950-00-980-0381?

NSN 5950-00-980-0381 is a Transformer,power, manufactured by Keysight Technologies Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-980-0381?

NSN 5950-00-980-0381 has 4 cross-referenced part numbers: 9100-0157 (Keysight Technologies Inc), 61984 (James Electronics Inc), 9100-0157 (Hewlett-Packard Company Dba HP), 9100-0157 (Keysight Technologies, Inc.).

What NSN replaces 5950-00-980-0381?

There are 2 known substitutes for 5950-00-980-0381: 5905-00-593-8234, 5950-01-074-1195. Verify interchangeability with system specifications before substitution.

What are the specifications of 9100-0157?

Key specifications for 9100-0157: Reliability Indicator: NOT ESTABLISHED; Inclosure Type: HERMETICALLY SEALED; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP; Frequency Rating: 50.0 HERTZ MINIMUM AND 1.0 KILOHERTZ MAXIMUM SINGLE COMPONENT. 17 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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