PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30912Transformer,power

Naval Ship Systems Command · NSN 5950-00-193-8517 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-193-8517 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-193-8517. Primary manufacturer part number: 30912.
Features
  • Transformer,power — FSC 5950
  • Body Length: 4.750 INCHES NOMINAL IN
  • Winding Operating Current: 6.0 AMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
  • Winding Operating Voltage: 5.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
  • Reliability Indicator: NOT ESTABLISHED
  • Winding Operating Voltage: 75.00 AC VOLTS NOMINAL AND 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Terminal Type and Quantity: 3 THREADED STUD AND 5 STANDOFF INSULATOR
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-193-8517, 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 Naval Ship Systems Command. Government technical data includes 19 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-193-8517
Primary Part Number30912
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
Body Length4.750 INCHES NOMINAL IN
Winding Operating Current6.0 AMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Winding Operating Voltage5.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Reliability IndicatorNOT ESTABLISHED
Winding Operating Voltage75.00 AC VOLTS NOMINAL AND 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Mounting Facility Quantity4 SINGLE GROUP
Terminal Type and Quantity3 THREADED STUD AND 5 STANDOFF INSULATOR
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Operating Voltage780.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Winding Operating Current190.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Body Width4.125 INCHES NOMINAL IN
Body Height6.250 INCHES NOMINAL IN
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
Inclosure TypePARTIALLY INCLOSED, DOUBLE SHELL
Center to Center Distance Between Mounting Facilities Parallel to Width2.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Length4.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4730-00-264-8561 INTERCHANGEABLE
Plug,pipe
4720-00-554-8088 INTERCHANGEABLE
Hose,nonmetallic
5610-01-682-342630912 INTERCHANGEABLE
Concrete Repair Kit
Five Star Products, Inc. Dba Five Star Products Inc
Cross-Reference Index
Part NumberManufacturer
30912 United Transformer Corp Sub of Opt Industries Inc (USA)
30912 Magnetika Inc (USA)
30912 PRIMARY Naval Ship Systems Command (USA)
Related Parts
4730-00-264-8561INTERCHANGEABLE
PLUG,PIPE
4720-00-554-8088INTERCHANGEABLE
HOSE,NONMETALLIC
5610-01-682-3426INTERCHANGEABLE
CONCRETE REPAIR KIT
30912

Frequently Asked Questions

What is NSN 5950-00-193-8517?

NSN 5950-00-193-8517 is a Transformer,power, manufactured by Naval Ship Systems Command, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-193-8517?

NSN 5950-00-193-8517 has 3 cross-referenced part numbers: 30912 (United Transformer Corp Sub of Opt Industries Inc), 30912 (Magnetika Inc), 30912 (Naval Ship Systems Command).

What NSN replaces 5950-00-193-8517?

There are 3 known substitutes for 5950-00-193-8517: 4730-00-264-8561, 4720-00-554-8088, 5610-01-682-3426. Verify interchangeability with system specifications before substitution.

What are the specifications of 30912?

Key specifications for 30912: Body Length: 4.750 INCHES NOMINAL IN; Winding Operating Current: 6.0 AMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY; Winding Operating Voltage: 5.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY; Reliability Indicator: NOT ESTABLISHED. 19 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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