PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1284126Transformer,power

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5950-00-681-7505 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-681-7505 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-681-7505. Primary manufacturer part number: 1284126.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Winding Function and Quantity: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
  • Winding Operating Voltage: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Nominal Thread Size: 0.138 INCHES SINGLE GROUP IN
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Winding Operating Current: 0.5 AMPERES AC MAXIMUM SINGLE COMPONENT ALL SECONDARY
  • 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 5950-00-681-7505, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-681-7505
Primary Part Number1284126
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Width1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Current0.5 AMPERES AC MAXIMUM SINGLE COMPONENT ALL SECONDARY
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Winding Power Rating36.0 VOLTS-AMPERES SINGLE COMPONENT SINGLE PRIMARY
Body Length2.750 INCHES NOMINAL IN
Body Height1.812 INCHES NOMINAL IN
Winding Operating Voltage48.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Winding Power Rating12.0 VOLTS-AMPERES SINGLE COMPONENT FIRST SECONDARY
Mounting Facility Quantity4 SINGLE GROUP
Body Width1.937 INCHES NOMINAL IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Inclosure TypeHERMETICALLY SEALED
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Winding Power Rating24.0 VOLTS-AMPERES SINGLE COMPONENT SECOND SECONDARY
Winding Operating Voltage24.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Length1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Current313.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Terminal Type and Quantity7 BINDING POST
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
2510-00-307-628337417 INTERCHANGEABLE
Floor,body,vehicular
L3harris Technologies, Inc Div Space & Airborne Systems
5315-00-787-067337417 INTERCHANGEABLE
Key,crank
Parker-Hannifin Corporation Dba Control Systems Division
1040-00-936-929154A50B338 INTERCHANGEABLE
Tube Assy,tank
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6110-01-045-2032 INTERCHANGEABLE
Regulator,voltage
4820-01-097-861037417 INTERCHANGEABLE
Valve,check
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
2940-01-274-845142296 INTERCHANGEABLE
Filter Element,intake Air Cleane
Wix Corp
5998-01-354-445237417-01 INTERCHANGEABLE
Circuit Card Assembly
Telephonics Corp
Cross-Reference Index
Part NumberManufacturer
42296 Coast/advanced Chip Magnetics, Inc. (USA)
1284126 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
PEI3005 Precision Electronics, Inc (USA)
37417 Freed Transformer Co (USA)
Related Parts
2510-00-307-6283INTERCHANGEABLE
FLOOR,BODY,VEHICULAR
37417
5315-00-787-0673INTERCHANGEABLE
KEY,CRANK
37417
1040-00-936-9291INTERCHANGEABLE
TUBE ASSY,TANK
54A50B338
6110-01-045-2032INTERCHANGEABLE
REGULATOR,VOLTAGE
4820-01-097-8610INTERCHANGEABLE
VALVE,CHECK
37417
2940-01-274-8451INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
42296
5998-01-354-4452INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
37417-01

Frequently Asked Questions

What is NSN 5950-00-681-7505?

NSN 5950-00-681-7505 is a Transformer,power, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-681-7505?

NSN 5950-00-681-7505 has 4 cross-referenced part numbers: 42296 (Coast/advanced Chip Magnetics, Inc.), 1284126 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), PEI3005 (Precision Electronics, Inc), 37417 (Freed Transformer Co).

What NSN replaces 5950-00-681-7505?

There are 7 known substitutes for 5950-00-681-7505: 2510-00-307-6283, 5315-00-787-0673, 1040-00-936-9291 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1284126?

Key specifications for 1284126: Reliability Indicator: NOT ESTABLISHED; Winding Function and Quantity: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT; Winding Operating Voltage: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY; Nominal Thread Size: 0.138 INCHES SINGLE GROUP IN. 23 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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