PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2246Transformer,power

Sterling Transformer Corp · NSN 5950-00-552-9148 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-552-9148 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-552-9148. Primary manufacturer part number: 2246.
Features
  • Transformer,power — FSC 5950
  • Winding Function and Quantity: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Nominal Thread Size: 0.190 INCHES SINGLE GROUP IN
  • Mounting Method: THREADED STUD(S) SINGLE GROUP
  • Winding Operating Voltage: 440.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
  • Thread Series Designator: UNF SINGLE GROUP
  • Body Height: 4.000 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-552-9148, 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 Sterling Transformer Corp. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN5950-00-552-9148
Primary Part Number2246
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerSterling Transformer Corp
StatusACTIVE
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Mounting Facility Quantity4 SINGLE GROUP
Nominal Thread Size0.190 INCHES SINGLE GROUP IN
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Winding Operating Voltage440.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Thread Series DesignatorUNF SINGLE GROUP
Body Height4.000 INCHES NOMINAL IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Body Width4.437 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Length3.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Terminal Type and Quantity9 SOLDER STUD
Inclosure TypeHERMETICALLY SEALED
Winding Operating Current250.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Thread Quantity Per Inch32 SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Winding Operating Current30.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Operating Voltage460.00 AC VOLTS NOMINAL AND 920.00 AC VOLTS NOMINAL AND 1.60 AC KILOVOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Width2.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Length5.062 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-038-7174224-6 INTERCHANGEABLE
Tee,hose
Parker-Hannifin Corp Div Fluid System Connector Division
5331-00-074-228120A11EM246 INTERCHANGEABLE
O-Ring
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
5355-00-160-7108118611 INTERCHANGEABLE
Knob
Telemechanics Inc
2920-00-293-52471H4986 INTERCHANGEABLE
Spark Plug
Caterpillar Inc Div Caterpillar Defense
5342-00-679-98672246 INTERCHANGEABLE
Mount,resilient,weapon System
Bushings Inc
2920-00-817-87242246 INTERCHANGEABLE
Spark Plug
Allied-Signal Inc Autolite Div
5330-00-983-2782701946 INTERCHANGEABLE
Packing,preformed
Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
5331-01-060-3255 INTERCHANGEABLE
O-Ring
4330-01-096-4412 INTERCHANGEABLE
Filter Element,fluid
4730-01-184-476012339972 INTERCHANGEABLE
Reducer,hose
U S Army Tank Automotive Command Amsta-Im-Mm
Cross-Reference Index
Part NumberManufacturer
2246 Sterling Transformer Corp (USA)
B101334REVA Rohde & Schwarz Usa, Inc. (USA)
1150 Precision Electronics, Inc (USA)
Related Parts
4730-00-038-7174INTERCHANGEABLE
TEE,HOSE
224-6
5331-00-074-2281INTERCHANGEABLE
O-RING
20A11EM246
5355-00-160-7108INTERCHANGEABLE
KNOB
118611
2920-00-293-5247INTERCHANGEABLE
SPARK PLUG
1H4986
5342-00-679-9867INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
2246
2920-00-817-8724INTERCHANGEABLE
SPARK PLUG
2246
5330-00-983-2782INTERCHANGEABLE
PACKING,PREFORMED
701946
5331-01-060-3255INTERCHANGEABLE
O-RING
4330-01-096-4412INTERCHANGEABLE
FILTER ELEMENT,FLUID
4730-01-184-4760INTERCHANGEABLE
REDUCER,HOSE
12339972
6625-01-261-4605INTERCHANGEABLE
OSCILLOSCOPE
2246
6515-01-549-6510INTERCHANGEABLE
BURR,SURGICAL
GE546SU

Frequently Asked Questions

What is NSN 5950-00-552-9148?

NSN 5950-00-552-9148 is a Transformer,power, manufactured by Sterling Transformer Corp, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-552-9148?

NSN 5950-00-552-9148 has 3 cross-referenced part numbers: 2246 (Sterling Transformer Corp), B101334REVA (Rohde & Schwarz Usa, Inc.), 1150 (Precision Electronics, Inc).

What NSN replaces 5950-00-552-9148?

There are 12 known substitutes for 5950-00-552-9148: 4730-00-038-7174, 5331-00-074-2281, 5355-00-160-7108 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2246?

Key specifications for 2246: Winding Function and Quantity: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT; Mounting Facility Quantity: 4 SINGLE GROUP; Nominal Thread Size: 0.190 INCHES SINGLE GROUP IN; Mounting Method: THREADED STUD(S) SINGLE GROUP. 22 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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