PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25805AETransformer,power

Lockheed Martin Corporation Div Lockheed Martin Systems & Global Solutions · NSN 5950-00-913-9944 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-913-9944 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-913-9944. Primary manufacturer part number: 25805AE.
Features
  • Transformer,power — FSC 5950
  • Thread Series Designator: UNF SINGLE GROUP
  • Inclosure Type: FULLY INCLOSED
  • Winding Shielding Method: INTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE SINGLE COMPONENT
  • Winding Function and Quantity: 1 PRIMARY AND 18 SECONDARY SINGLE COMPONENT
  • Thread Quantity Per Inch: 32 SINGLE GROUP
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Frequency Rating: 400.0 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 5950-00-913-9944, 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 Lockheed Martin Systems & Global Solutions. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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
NSN5950-00-913-9944
Primary Part Number25805AE
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Lockheed Martin Systems & Global Solutions
StatusACTIVE
Thread Series DesignatorUNF SINGLE GROUP
Inclosure TypeFULLY INCLOSED
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY AND 18 SECONDARY SINGLE COMPONENT
Thread Quantity Per Inch32 SINGLE GROUP
Mounting Facility Quantity4 SINGLE GROUP
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Body Width3.375 INCHES NOMINAL IN
Body Length3.937 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Length2.437 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Width3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Body Height5.250 INCHES NOMINAL IN
Nominal Thread Size0.190 INCHES SINGLE GROUP IN
Terminal Type and Quantity38 WIRE HOOK
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5920-00-296-0446 INTERCHANGEABLE
Fuse,cartridge
5920-01-126-8183314.750 INTERCHANGEABLE
Fuse,cartridge
Littelfuse, Inc.
4310-01-713-8969136533 INTERCHANGEABLE
Tank,pressure
Samuel, Son & Co. (usa) Inc. Dba Samuel Engineered Metals Group Div Samuel Pressure Vessel Group
Cross-Reference Index
Part NumberManufacturer
25805AE Lockheed Martin Corporation Div Lockheed Martin Systems & Global Solutions (USA)
3-14750 Te Connectivity Networks, Inc. Div Adc Telecommunications Sales, Inc. (USA)
A14750 Te Connectivity Networks, Inc. Div Adc Telecommunications Sales, Inc. (USA)
Related Parts
5920-00-296-0446INTERCHANGEABLE
FUSE,CARTRIDGE
5920-01-126-8183INTERCHANGEABLE
FUSE,CARTRIDGE
314.750
4310-01-713-8969INTERCHANGEABLE
TANK,PRESSURE
136533

Frequently Asked Questions

What is NSN 5950-00-913-9944?

NSN 5950-00-913-9944 is a Transformer,power, manufactured by Lockheed Martin Corporation Div Lockheed Martin Systems & Global Solutions, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-913-9944?

NSN 5950-00-913-9944 has 3 cross-referenced part numbers: 25805AE (Lockheed Martin Corporation Div Lockheed Martin Systems & Global Solutions), 3-14750 (Te Connectivity Networks, Inc. Div Adc Telecommunications Sales, Inc.), A14750 (Te Connectivity Networks, Inc. Div Adc Telecommunications Sales, Inc.).

What NSN replaces 5950-00-913-9944?

There are 3 known substitutes for 5950-00-913-9944: 5920-00-296-0446, 5920-01-126-8183, 4310-01-713-8969. Verify interchangeability with system specifications before substitution.

What are the specifications of 25805AE?

Key specifications for 25805AE: Thread Series Designator: UNF SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Winding Shielding Method: INTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE SINGLE COMPONENT; Winding Function and Quantity: 1 PRIMARY AND 18 SECONDARY SINGLE COMPONENT. 16 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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