PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

300P157CTTransformer,power

Sure Power, Inc · NSN 5950-01-155-8737 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-155-8737 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-155-8737. Primary manufacturer part number: 300P157CT.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Winding Operating Voltage: 157.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Winding Operating Voltage: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Frequency Rating: 60.0 HERTZ NOMINAL 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 5950-01-155-8737, 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 Sure Power, Inc. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-155-8737
Primary Part Number300P157CT
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerSure Power, Inc
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Winding Operating Voltage157.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Mounting Facility Quantity4 SINGLE GROUP
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Length3.484 INCHES MINIMUM AND 3.516 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Current1.91 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Inclosure TypeHERMETICALLY SEALED
Nominal Thread Size0.250 INCHES SINGLE GROUP IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Maximum Transformer Power Rating300.0 VOLT-AMPERE SINGLE COMPONENT
Maximum Operating Temp130.0 CELSIUS DEGC
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO CORE SINGLE COMPONENT
Terminal Type and Quantity5 WIRE HOOK
Center to Center Distance Between Mounting Facilities Parallel to Width2.734 INCHES MINIMUM AND 2.766 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
7520-00-163-25687520-00-163-2568 INTERCHANGEABLE
Trimmer,paper,drop Knife
National Industries for the Blind
5133-00-262-2178 INTERCHANGEABLE
Drill,twist
5310-00-473-341063246 INTERCHANGEABLE
Nut,plain,round
Stryten Energy Llc Dba Stryten Manufacturing
5950-00-683-7154 INTERCHANGEABLE
Transformer,power
2945-00-710-1864 INTERCHANGEABLE
Filter,carburetor,a
3110-00-727-566340599 INTERCHANGEABLE
Bearing,roller,cylindrical
Skf Usa Inc.
5962-01-390-022344137 INTERCHANGEABLE
Microcircuit,digital
Daytronic Corporation
6680-01-689-457840599 INTERCHANGEABLE
Float,sight Indicator
Setra Systems, Inc. Dba Gems Sensors
Cross-Reference Index
Part NumberManufacturer
5827969 Naval Sea Systems Command (USA)
300P157CT PRIMARY Sure Power, Inc (USA)
CS 7210 Coil Specialty Company, Inc. (USA)
44137 Freed Transformer Co (USA)
40599 Coast/advanced Chip Magnetics, Inc. (USA)
5475969 Naval Sea Systems Command (USA)
Related Parts
7520-00-163-2568INTERCHANGEABLE
TRIMMER,PAPER,DROP KNIFE
7520-00-163-2568
5133-00-262-2178INTERCHANGEABLE
DRILL,TWIST
5310-00-473-3410INTERCHANGEABLE
NUT,PLAIN,ROUND
63246
5950-00-683-7154INTERCHANGEABLE
TRANSFORMER,POWER
2945-00-710-1864INTERCHANGEABLE
FILTER,CARBURETOR,A
3110-00-727-5663INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
40599
5962-01-390-0223INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
44137
6680-01-689-4578INTERCHANGEABLE
FLOAT,SIGHT INDICATOR
40599

Frequently Asked Questions

What is NSN 5950-01-155-8737?

NSN 5950-01-155-8737 is a Transformer,power, manufactured by Sure Power, Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-155-8737?

NSN 5950-01-155-8737 has 6 cross-referenced part numbers: 5827969 (Naval Sea Systems Command), 300P157CT (Sure Power, Inc), CS 7210 (Coil Specialty Company, Inc.), 44137 (Freed Transformer Co), 40599 (Coast/advanced Chip Magnetics, Inc.) and 1 more.

What NSN replaces 5950-01-155-8737?

There are 8 known substitutes for 5950-01-155-8737: 7520-00-163-2568, 5133-00-262-2178, 5310-00-473-3410 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 300P157CT?

Key specifications for 300P157CT: Overall Length: 4.656 INCHES MINIMUM AND 4.718 INCHES MAXIMUM IN; Reliability Indicator: NOT ESTABLISHED; Winding Operating Voltage: 157.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY; Mounting Facility Quantity: 4 SINGLE GROUP. 21 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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