PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1023805Transformer,power

Lockheed Martin Corporation Div Rms - Mitchel Field · NSN 5950-00-995-0229 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-995-0229 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-995-0229. Primary manufacturer part number: 1023805.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Terminal Type and Quantity: 10 SOLDER STUD
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Body Length: 2.750 INCHES NOMINAL IN
  • Winding Operating Voltage: 417.00 AC VOLTS NOMINAL AND 440.00 AC VOLTS NOMINAL AND 472.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Body Height: 3.312 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 5950-00-995-0229, 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 Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 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
NSN5950-00-995-0229
Primary Part Number1023805
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms - Mitchel Field
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Terminal Type and Quantity10 SOLDER STUD
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Mounting Facility Quantity4 SINGLE GROUP
Body Length2.750 INCHES NOMINAL IN
Winding Operating Voltage417.00 AC VOLTS NOMINAL AND 440.00 AC VOLTS NOMINAL AND 472.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Body Height3.312 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Length1.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Width2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Thread Quantity Per Inch32 SINGLE GROUP
Winding Operating Voltage6.30 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
Winding Operating Current2.0 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Winding Operating Voltage6.30 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Winding Operating Current1.2 AMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Body Width2.375 INCHES NOMINAL IN
Winding Function and Quantity1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT
Winding Operating Voltage5.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Winding Operating Current1.2 AMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Inclosure TypeHERMETICALLY SEALED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
2530-00-481-256443634 INTERCHANGEABLE
Axle Assembly,vehicular,nondrivi
Allianz Sweeper Company
5845-00-757-329743634 INTERCHANGEABLE
Printed Board Assem
L3harris Technologies, Inc. Div Space and Airborne Systems
1650-01-170-960643634 INTERCHANGEABLE
Parts Kit,servo Cylinder
Moog Military Aircraft Llc
3110-01-193-0620043634 INTERCHANGEABLE
Bearing
Abd Intl Inc Dba Abdick
5120-01-428-8400J88603 INTERCHANGEABLE
Key,socket Head Screw
The Stanley Works Dba Stanley Proto
5920-01-641-929043634 INTERCHANGEABLE
Fuse,cartridge
Westerbeke Corporation
Cross-Reference Index
Part NumberManufacturer
E11134 Electro Vector Inc (USA)
2115631 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
A7158 Autodyne Manufacturing Co Inc (USA)
43634 Freed Transformer Co (USA)
1023805 PRIMARY Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
9582 Hewlett-Packard Co Mfg Div (USA)
9582 Agilent Technologies, Inc. Div Agilent Technologies Headquarters (USA)
Related Parts
2530-00-481-2564INTERCHANGEABLE
AXLE ASSEMBLY,VEHICULAR,NONDRIVI
43634
5845-00-757-3297INTERCHANGEABLE
PRINTED BOARD ASSEM
43634
1650-01-170-9606INTERCHANGEABLE
PARTS KIT,SERVO CYLINDER
43634
3110-01-193-0620INTERCHANGEABLE
BEARING
043634
5120-01-428-8400INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
J88603
5920-01-641-9290INTERCHANGEABLE
FUSE,CARTRIDGE
43634

Frequently Asked Questions

What is NSN 5950-00-995-0229?

NSN 5950-00-995-0229 is a Transformer,power, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-995-0229?

NSN 5950-00-995-0229 has 7 cross-referenced part numbers: E11134 (Electro Vector Inc), 2115631 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), A7158 (Autodyne Manufacturing Co Inc), 43634 (Freed Transformer Co), 1023805 (Lockheed Martin Corporation Div Rms - Mitchel Field) and 2 more.

What NSN replaces 5950-00-995-0229?

There are 6 known substitutes for 5950-00-995-0229: 2530-00-481-2564, 5845-00-757-3297, 1650-01-170-9606 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1023805?

Key specifications for 1023805: Reliability Indicator: NOT ESTABLISHED; Terminal Type and Quantity: 10 SOLDER STUD; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT; Mounting Facility Quantity: 4 SINGLE GROUP. 24 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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