PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NT145Transformer,power

United Transformer Corp Sub of Opt Industries Inc · NSN 5950-00-230-8403 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-230-8403 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-230-8403. Primary manufacturer part number: NT145.
Features
  • Transformer,power — FSC 5950
  • Thread Quantity Per Inch: 32 SINGLE GROUP
  • Body Height: 1.750 INCHES NOMINAL IN
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Reliability Indicator: NOT ESTABLISHED
  • Inclosure Type: HERMETICALLY SEALED
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 1.266 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Winding Operating Current: 900.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-230-8403, 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 United Transformer Corp Sub of Opt Industries Inc. 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-230-8403
Primary Part NumberNT145
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerUnited Transformer Corp Sub of Opt Industries Inc
StatusACTIVE
Thread Quantity Per Inch32 SINGLE GROUP
Body Height1.750 INCHES NOMINAL IN
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Inclosure TypeHERMETICALLY SEALED
Center to Center Distance Between Mounting Facilities Parallel to Width1.266 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Current900.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Mounting Facility Quantity4 SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Length1.266 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Terminal Type and Quantity5 SOLDER STUD
Body Width1.312 INCHES NOMINAL IN
Winding Operating Voltage25.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO CORE SINGLE COMPONENT
Body Length1.312 INCHES NOMINAL IN
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5999-00-259-2531 INTERCHANGEABLE
Contact,electrical
5998-00-938-644416337 INTERCHANGEABLE
Printed Circuit Board
Custom Metering Company Inc
5330-01-121-171216337 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5310-01-190-205722254 INTERCHANGEABLE
Nut,plain,extended Washer,round
Dana Commercial Vehicle Products, Llc
6210-01-314-563916/337 INTERCHANGEABLE
Lens,light
Staco Systems, Inc. Dba Staco Systems Div Dba Staco Systems
6515-01-590-501402.207.275 INTERCHANGEABLE
Screw,bone
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
5920-01-616-8005163-37 INTERCHANGEABLE
Fuseholder,receptacle
Rix Industries
Cross-Reference Index
Part NumberManufacturer
NT145 United Transformer Corp Sub of Opt Industries Inc (USA)
60-501-94 A M I/ Coast Magnetics Inc. Dba Coast Magnetics (USA)
16337 Robert M. Hadley Company, Inc. (USA)
4260-1135 Bourns Instruments Inc (USA)
B10D231 Barwood Electronics Inc (USA)
NT145 Magnetika Inc (USA)
740810-101 Lockheed Martin Corp (USA)
Related Parts
5999-00-259-2531INTERCHANGEABLE
CONTACT,ELECTRICAL
5998-00-938-6444INTERCHANGEABLE
PRINTED CIRCUIT BOARD
16337
5330-01-121-1712INTERCHANGEABLE
SEAL,PLAIN ENCASED
16337
5310-01-190-2057INTERCHANGEABLE
NUT,PLAIN,EXTENDED WASHER,ROUND
22254
6210-01-314-5639INTERCHANGEABLE
LENS,LIGHT
16/337
6515-01-590-5014INTERCHANGEABLE
SCREW,BONE
02.207.275
5920-01-616-8005INTERCHANGEABLE
FUSEHOLDER,RECEPTACLE
163-37

Frequently Asked Questions

What is NSN 5950-00-230-8403?

NSN 5950-00-230-8403 is a Transformer,power, manufactured by United Transformer Corp Sub of Opt Industries Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-230-8403?

NSN 5950-00-230-8403 has 7 cross-referenced part numbers: NT145 (United Transformer Corp Sub of Opt Industries Inc), 60-501-94 (A M I/ Coast Magnetics Inc. Dba Coast Magnetics), 16337 (Robert M. Hadley Company, Inc.), 4260-1135 (Bourns Instruments Inc), B10D231 (Barwood Electronics Inc) and 2 more.

What NSN replaces 5950-00-230-8403?

There are 7 known substitutes for 5950-00-230-8403: 5999-00-259-2531, 5998-00-938-6444, 5330-01-121-1712 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NT145?

Key specifications for NT145: Thread Quantity Per Inch: 32 SINGLE GROUP; Body Height: 1.750 INCHES NOMINAL IN; Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT; Reliability Indicator: NOT ESTABLISHED. 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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