PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H925Transformer,power

United Transformer Corp Sub of Opt Industries Inc · NSN 5950-00-276-1278 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-276-1278 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-276-1278. Primary manufacturer part number: H925.
Features
  • Transformer,power — FSC 5950
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
  • Winding Function and Quantity: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
  • Frequency Rating: 50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM SINGLE COMPONENT
  • Body Length: 1.625 INCHES NOMINAL IN
  • Winding Operating Voltage: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Reliability Indicator: NOT ESTABLISHED
  • Thread Quantity Per Inch: 32 SINGLE GROUP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-276-1278, 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 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-276-1278
Primary Part NumberH925
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerUnited Transformer Corp Sub of Opt Industries Inc
StatusCANCELLED
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Frequency Rating50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM SINGLE COMPONENT
Body Length1.625 INCHES NOMINAL IN
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Reliability IndicatorNOT ESTABLISHED
Thread Quantity Per Inch32 SINGLE GROUP
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Criticality Code JustificationZZZY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Body Height3.375 INCHES NOMINAL IN
Terminal Type and Quantity8 STANDOFF, SOLDER LUG
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Width1.187 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Length1.187 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting Facility Quantity4 SINGLE GROUP
Body Width1.625 INCHES NOMINAL IN
Inclosure TypeHERMETICALLY SEALED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5950-00-052-85312666101-1 INTERCHANGEABLE
Transformer,power
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5950-01-229-2577 INTERCHANGEABLE
Transformer,power
Cross-Reference Index
Part NumberManufacturer
H925 United Transformer Corp Sub of Opt Industries Inc (USA)
H925 Magnetika Inc (USA)
Related Parts
5950-00-052-8531INTERCHANGEABLE
TRANSFORMER,POWER
2666101-1
5950-01-229-2577INTERCHANGEABLE
TRANSFORMER,POWER

Frequently Asked Questions

What is NSN 5950-00-276-1278?

NSN 5950-00-276-1278 is a Transformer,power, manufactured by United Transformer Corp Sub of Opt Industries Inc, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-276-1278?

NSN 5950-00-276-1278 has 2 cross-referenced part numbers: H925 (United Transformer Corp Sub of Opt Industries Inc), H925 (Magnetika Inc).

What NSN replaces 5950-00-276-1278?

There are 2 known substitutes for 5950-00-276-1278: 5950-00-052-8531, 5950-01-229-2577. Verify interchangeability with system specifications before substitution.

What are the specifications of H925?

Key specifications for H925: Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS; Winding Function and Quantity: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT; Frequency Rating: 50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM SINGLE COMPONENT; Body Length: 1.625 INCHES NOMINAL IN. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-276-1278 still in active supply?

NSN 5950-00-276-1278 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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