PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30303Transformer,power

Naval Ship Systems Command · NSN 5950-00-253-7073 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-253-7073 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-253-7073. Primary manufacturer part number: 30303.
Features
  • Transformer,power — FSC 5950
  • Mounting Hole Diameter: 0.266 INCHES NOMINAL SINGLE GROUP IN
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Reliability Indicator: NOT ESTABLISHED
  • Winding Operating Voltage: 11.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Body Length: 4.938 INCHES NOMINAL IN
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Body Width: 4.875 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-253-7073, 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 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-253-7073
Primary Part Number30303
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
Mounting Hole Diameter0.266 INCHES NOMINAL SINGLE GROUP IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Winding Operating Voltage11.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Body Length4.938 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Length3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Width4.875 INCHES NOMINAL IN
Winding Operating Current3.25 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Terminal Type and Quantity7 TAB, SOLDER LUG
Winding Operating Voltage100.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL PRIMARY
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Function and Quantity2 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Body Height4.875 INCHES NOMINAL IN
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Inclosure TypeFULLY INCLOSED
Mounting Facility Quantity4 SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Width2.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
1560-00-436-759630303 INTERCHANGEABLE
Tank,fuel,aircraft
American Fuel Cell and Coated Fabrics Company, Llc
5180-00-596-853330303 INTERCHANGEABLE
Threading Set,screw
Wta Tool Llc
5910-00-667-6634 INTERCHANGEABLE
Capacitor,variable,mica Dielectr
5930-01-021-8981 INTERCHANGEABLE
Switch
4820-01-207-100230303 INTERCHANGEABLE
Rotor Assembly,valv
Barksdale, Inc
5340-01-513-392230303 INTERCHANGEABLE
Plunger,quick Release
Jergens Inc Div Tooling Components Division
2010-01-567-976830-303 INTERCHANGEABLE
Gimbal Carrier Assembly
Konrad Marine Inc Div Konrad Marine
1680-01-584-031130303 INTERCHANGEABLE
Rvlving Ball Handle
Monroe Engineering Llc Dba Monroe Pmp
6515-01-667-6208RES-0001-02 INTERCHANGEABLE
Tourniquet,nonpneumatic
Revmedx, Inc. Dba Revmedx Inc
Cross-Reference Index
Part NumberManufacturer
30303 Naval Ship Systems Command (USA)
L332702 Westinghouse Electric Corp (USA)
P7707433-4 Westinghouse Electric Corp Power Generation-Generator Div (USA)
T7605024-9 Westinghouse Electric Corp (USA)
P7707433-4 Westinghouse Electric Corp (USA)
L332702 Frigidaire Home Products Division, White Consolidated Indust (USA)
T7605024-9 Westinghouse Electric Corp General Control Div (USA)
Related Parts
1560-00-436-7596INTERCHANGEABLE
TANK,FUEL,AIRCRAFT
30303
5180-00-596-8533INTERCHANGEABLE
THREADING SET,SCREW
30303
5910-00-667-6634INTERCHANGEABLE
CAPACITOR,VARIABLE,MICA DIELECTR
5930-01-021-8981INTERCHANGEABLE
SWITCH
4820-01-207-1002INTERCHANGEABLE
ROTOR ASSEMBLY,VALV
30303
5340-01-513-3922INTERCHANGEABLE
PLUNGER,QUICK RELEASE
30303
2010-01-567-9768INTERCHANGEABLE
GIMBAL CARRIER ASSEMBLY
30-303
1680-01-584-0311INTERCHANGEABLE
RVLVING BALL HANDLE
30303
6515-01-667-6208INTERCHANGEABLE
TOURNIQUET,NONPNEUMATIC
RES-0001-02

Frequently Asked Questions

What is NSN 5950-00-253-7073?

NSN 5950-00-253-7073 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 5950-00-253-7073?

NSN 5950-00-253-7073 has 7 cross-referenced part numbers: 30303 (Naval Ship Systems Command), L332702 (Westinghouse Electric Corp), P7707433-4 (Westinghouse Electric Corp Power Generation-Generator Div), T7605024-9 (Westinghouse Electric Corp), P7707433-4 (Westinghouse Electric Corp) and 2 more.

What NSN replaces 5950-00-253-7073?

There are 9 known substitutes for 5950-00-253-7073: 1560-00-436-7596, 5180-00-596-8533, 5910-00-667-6634 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 30303?

Key specifications for 30303: Mounting Hole Diameter: 0.266 INCHES NOMINAL SINGLE GROUP IN; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT; Reliability Indicator: NOT ESTABLISHED; Winding Operating Voltage: 11.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY. 17 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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