PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30346Transformer,power

Naval Ship Systems Command · NSN 5950-00-647-7438 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-647-7438 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-647-7438. Primary manufacturer part number: 30346.
Features
  • Transformer,power — FSC 5950
  • Inclosure Type: FULLY INCLOSED
  • Reliability Indicator: NOT ESTABLISHED
  • Winding Operating Current: 6.7 AMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
  • Winding Function and Quantity: 1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT
  • Body Height: 6.156 INCHES NOMINAL IN
  • Winding Operating Voltage: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • 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 5950-00-647-7438, 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 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-647-7438
Primary Part Number30346
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
Inclosure TypeFULLY INCLOSED
Reliability IndicatorNOT ESTABLISHED
Winding Operating Current6.7 AMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Winding Function and Quantity1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT
Body Height6.156 INCHES NOMINAL IN
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Terminal Type and Quantity2 THREADED STUD AND 9 STANDOFF, THREADED STUD
Winding Operating Voltage5.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Length5.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Width2.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Current13.5 AMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
Mounting Facility Quantity4 SINGLE GROUP
Mounting MethodFLANGE AND SLOT SINGLE GROUP
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Operating Current6.7 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Mounting Slot Width0.250 INCHES NOMINAL SINGLE GROUP IN
Body Length6.000 INCHES NOMINAL IN
Body Width4.438 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
1650-00-386-391630346 INTERCHANGEABLE
Plug,valve,linear
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
6150-00-395-2865 INTERCHANGEABLE
Lead,electrical
6610-00-574-577530346 INTERCHANGEABLE
Lightblock
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
6130-00-753-2221J36B4TN1 INTERCHANGEABLE
Rectifier,metallic
Fmc Technologies Inc Div Material Handling Solutions
3825-01-155-5004 INTERCHANGEABLE
Cable,solution,leve
6150-01-293-430875314 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba
Cross-Reference Index
Part NumberManufacturer
DL74-233SUB13 Raytheon Company Div Corp (USA)
30346 PRIMARY Naval Ship Systems Command (USA)
U2257 Raytheon Company Div Corp (USA)
753-14 Raytheon Company Dba Raytheon Co (USA)
753-14 Raytheon Company Div Corp (USA)
Related Parts
1650-00-386-3916INTERCHANGEABLE
PLUG,VALVE,LINEAR
30346
6150-00-395-2865INTERCHANGEABLE
LEAD,ELECTRICAL
6610-00-574-5775INTERCHANGEABLE
LIGHTBLOCK
30346
6130-00-753-2221INTERCHANGEABLE
RECTIFIER,METALLIC
J36B4TN1
3825-01-155-5004INTERCHANGEABLE
CABLE,SOLUTION,LEVE
6150-01-293-4308INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
75314

Frequently Asked Questions

What is NSN 5950-00-647-7438?

NSN 5950-00-647-7438 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 5950-00-647-7438?

NSN 5950-00-647-7438 has 5 cross-referenced part numbers: DL74-233SUB13 (Raytheon Company Div Corp), 30346 (Naval Ship Systems Command), U2257 (Raytheon Company Div Corp), 753-14 (Raytheon Company Dba Raytheon Co), 753-14 (Raytheon Company Div Corp).

What NSN replaces 5950-00-647-7438?

There are 6 known substitutes for 5950-00-647-7438: 1650-00-386-3916, 6150-00-395-2865, 6610-00-574-5775 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 30346?

Key specifications for 30346: Inclosure Type: FULLY INCLOSED; Reliability Indicator: NOT ESTABLISHED; Winding Operating Current: 6.7 AMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY; Winding Function and Quantity: 1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT. 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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