PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1857534Transformer,power

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5950-00-681-7511 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-681-7511 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-681-7511. Primary manufacturer part number: 1857534.
Features
  • Transformer,power — FSC 5950
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Body Length: 4.250 INCHES NOMINAL IN
  • Winding Shielding Method: INTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE SINGLE COMPONENT
  • Winding Function and Quantity: 1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT
  • Winding Operating Voltage: 440.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Frequency Rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT
  • Body Width: 2.625 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 5950-00-681-7511, 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 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-681-7511
Primary Part Number1857534
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Body Length4.250 INCHES NOMINAL IN
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT
Winding Operating Voltage440.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Body Width2.625 INCHES NOMINAL IN
Terminal Type and Quantity6 TAB, SOLDER LUG AND 5 STANDOFF, SOLDER LUG
Body Height3.062 INCHES NOMINAL IN
Mounting Facility Quantity4 SINGLE GROUP
Mounting MethodUNTHREADED STUD SINGLE GROUP
Winding Operating Current10.0 AMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
Winding Operating Voltage6.50 AC VOLTS NOMINAL SINGLE COMPONENT ALL SECONDARY
Reliability IndicatorNOT ESTABLISHED
Inclosure TypeHERMETICALLY SEALED
Winding Operating Current2.0 AMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Winding Operating Current2.0 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5305-00-143-0648 INTERCHANGEABLE
Screw,machine
3110-00-158-60145267 INTERCHANGEABLE
Bearing,roller,cylindrical
Mitsubishi Caterpillar Forklift America, Inc
3020-00-268-42023T5446 INTERCHANGEABLE
Gear,helical
Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.)
2940-00-371-33341C7196 INTERCHANGEABLE
Body,oil Filter
Napco International Llc Dba Napco International Inc
5950-00-488-4789516-0023 INTERCHANGEABLE
Transformer,pulse
Continental Electronics Corp
6135-00-542-621610M INTERCHANGEABLE
Battery,nonrechargeable
Bright Star Industries Inc
5935-00-577-02375267 INTERCHANGEABLE
Connector,plug,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
6920-00-785-1150 INTERCHANGEABLE
Springcamshaft
5935-01-005-3579 INTERCHANGEABLE
Connector,plug,electrical
5330-01-066-94235267 INTERCHANGEABLE
Packing with Retainer
Abb Installation Products Inc
Cross-Reference Index
Part NumberManufacturer
W10612 Unisys Corp Systems Development (USA)
5267 Precision Electronics, Inc (USA)
435420 Lockheed Martin Corporation Div Rms (USA)
1003292 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
W2889 Cen Electronics a Div of Chloride Power Electronics Inc (USA)
1857534 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
435420 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
Related Parts
5305-00-143-0648INTERCHANGEABLE
SCREW,MACHINE
3110-00-158-6014INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
5267
3020-00-268-4202INTERCHANGEABLE
GEAR,HELICAL
3T5446
2940-00-371-3334INTERCHANGEABLE
BODY,OIL FILTER
1C7196
5950-00-488-4789INTERCHANGEABLE
TRANSFORMER,PULSE
516-0023
6135-00-542-6216INTERCHANGEABLE
BATTERY,NONRECHARGEABLE
10M
5935-00-577-0237INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5267
6920-00-785-1150INTERCHANGEABLE
SPRINGCAMSHAFT
5935-01-005-3579INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5330-01-066-9423INTERCHANGEABLE
PACKING WITH RETAINER
5267
4320-01-163-0859INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
5267
7530-01-349-4462INTERCHANGEABLE
LABEL
AVE5267

Frequently Asked Questions

What is NSN 5950-00-681-7511?

NSN 5950-00-681-7511 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 5950-00-681-7511?

NSN 5950-00-681-7511 has 7 cross-referenced part numbers: W10612 (Unisys Corp Systems Development), 5267 (Precision Electronics, Inc), 435420 (Lockheed Martin Corporation Div Rms), 1003292 (Lockheed Martin Corporation Div Rms - Mitchel Field), W2889 (Cen Electronics a Div of Chloride Power Electronics Inc) and 2 more.

What NSN replaces 5950-00-681-7511?

There are 12 known substitutes for 5950-00-681-7511: 5305-00-143-0648, 3110-00-158-6014, 3020-00-268-4202 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1857534?

Key specifications for 1857534: Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT; Body Length: 4.250 INCHES NOMINAL IN; Winding Shielding Method: INTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE SINGLE COMPONENT; Winding Function and Quantity: 1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT. 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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