PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30906Transformer,power

Naval Ship Systems Command · NSN 5950-00-251-4243 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-251-4243 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-251-4243. Primary manufacturer part number: 30906.
Features
  • Transformer,power — FSC 5950
  • Terminal Type and Quantity: 11 TAB, SOLDER LUG
  • Frequency Rating: 60.0 HERTZ NOMINAL SINGLE COMPONENT
  • Thread Series Designator: UNF SINGLE GROUP
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Reliability Indicator: NOT ESTABLISHED
  • Body Width: 3.062 INCHES NOMINAL IN
  • Mounting Method: THREADED STUD(S) 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 5950-00-251-4243, 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 18 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: Active.

Technical Specifications
ParameterValue
NSN5950-00-251-4243
Primary Part Number30906
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
Terminal Type and Quantity11 TAB, SOLDER LUG
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Thread Series DesignatorUNF SINGLE GROUP
Mounting Facility Quantity4 SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Body Width3.062 INCHES NOMINAL IN
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Body Length4.250 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Width1.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Thread Quantity Per Inch32 SINGLE GROUP
Winding Operating Voltage50.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL SECONDARY
Inclosure TypeFULLY INCLOSED
Body Height3.719 INCHES NOMINAL IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Operating Voltage1.00 AC VOLTS NOMINAL AND 1.50 AC VOLTS NOMINAL AND 3.00 AC VOLTS NOMINAL AND 6.00 AC VOLTS NOMINAL AND 10.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Nominal Thread Size0.190 INCHES SINGLE GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Length3.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6550-01-162-1171230906 INTERCHANGEABLE
Sensitivity Discs,diagnostic,oxa
Becton, Dickinson and Company Dba Becton Dickinson & Co
6680-01-232-11244800-003 INTERCHANGEABLE
Indicator,liquid Quantity
Vermeer Manufacturing Company Dba Vermeer Corporation
Cross-Reference Index
Part NumberManufacturer
30906 PRIMARY Naval Ship Systems Command (USA)
30906 Freed Transformer Co (USA)
Related Parts
6550-01-162-1171INTERCHANGEABLE
SENSITIVITY DISCS,DIAGNOSTIC,OXA
230906
6680-01-232-1124INTERCHANGEABLE
INDICATOR,LIQUID QUANTITY
4800-003

Frequently Asked Questions

What is NSN 5950-00-251-4243?

NSN 5950-00-251-4243 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 5950-00-251-4243?

NSN 5950-00-251-4243 has 2 cross-referenced part numbers: 30906 (Naval Ship Systems Command), 30906 (Freed Transformer Co).

What NSN replaces 5950-00-251-4243?

There are 2 known substitutes for 5950-00-251-4243: 6550-01-162-1171, 6680-01-232-1124. Verify interchangeability with system specifications before substitution.

What are the specifications of 30906?

Key specifications for 30906: Terminal Type and Quantity: 11 TAB, SOLDER LUG; Frequency Rating: 60.0 HERTZ NOMINAL SINGLE COMPONENT; Thread Series Designator: UNF SINGLE GROUP; Mounting Facility Quantity: 4 SINGLE GROUP. 18 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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