PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

905516-2Transformer,power

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp · NSN 5950-01-025-7211 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-025-7211 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-025-7211. Primary manufacturer part number: 905516-2.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Winding Shielding Method: INTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE AND BROUGHT OUT TO TERMINAL SINGLE COMPONENT
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Body Height: 2.630 INCHES NOMINAL IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
  • Body Width: 2.310 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 5950-01-025-7211, 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 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 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
NSN5950-01-025-7211
Primary Part Number905516-2
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE AND BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Mounting Facility Quantity4 SINGLE GROUP
Body Height2.630 INCHES NOMINAL IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Body Width2.310 INCHES NOMINAL IN
Winding Operating Current80.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Winding Operating Voltage18.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Body Length2.750 INCHES NOMINAL IN
Winding Operating Voltage38.00 AC VOLTS NOMINAL AND 42.00 AC VOLTS NOMINAL AND 80.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Winding Operating Voltage125.00 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Inclosure TypeFULLY INCLOSED
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Terminal Type and Quantity14 TURRET
Winding Operating Voltage18.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Winding Function and Quantity1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Length2.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Width1.812 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Frequency Rating55.0 HERTZ MINIMUM AND 65.0 HERTZ MAXIMUM SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5360-00-058-655512685 INTERCHANGEABLE
Spring,helical,compression
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5950-00-261-823412685 INTERCHANGEABLE
Transformer,power
Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems
2815-00-875-829412685 INTERCHANGEABLE
Cover,valve Adjusting
Westerbeke Corporation
3040-01-082-8914 INTERCHANGEABLE
Worm Shaft
7310-01-241-752712685 INTERCHANGEABLE
Control,damper,ventilator
Itw Food Equipment Group Llc Dba Gaylord Industries
5340-01-382-983012685 INTERCHANGEABLE
Boot,dust and Moisture Seal
Galow Metal Products Inc Dba Metal Glow
1560-01-439-540490-5516-2 INTERCHANGEABLE
Frame,aircraft
The Boeing Company Div Defense
Cross-Reference Index
Part NumberManufacturer
12685 Magnespec Inc (USA)
905516-2 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
905516-2 Coast/advanced Chip Magnetics, Inc. (USA)
790140-91 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
12685 Bell Industries Inc J W Miller Magnetics Div (USA)
905516-2 Dbp Microwave Inc. Dba Dbp Microwave Inc. (USA)
Related Parts
5360-00-058-6555INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
12685
5950-00-261-8234INTERCHANGEABLE
TRANSFORMER,POWER
12685
2815-00-875-8294INTERCHANGEABLE
COVER,VALVE ADJUSTING
12685
3040-01-082-8914INTERCHANGEABLE
WORM SHAFT
7310-01-241-7527INTERCHANGEABLE
CONTROL,DAMPER,VENTILATOR
12685
5340-01-382-9830INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
12685
1560-01-439-5404INTERCHANGEABLE
FRAME,AIRCRAFT
90-5516-2

Frequently Asked Questions

What is NSN 5950-01-025-7211?

NSN 5950-01-025-7211 is a Transformer,power, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-025-7211?

NSN 5950-01-025-7211 has 6 cross-referenced part numbers: 12685 (Magnespec Inc), 905516-2 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 905516-2 (Coast/advanced Chip Magnetics, Inc.), 790140-91 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 12685 (Bell Industries Inc J W Miller Magnetics Div) and 1 more.

What NSN replaces 5950-01-025-7211?

There are 7 known substitutes for 5950-01-025-7211: 5360-00-058-6555, 5950-00-261-8234, 2815-00-875-8294 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 905516-2?

Key specifications for 905516-2: Reliability Indicator: NOT ESTABLISHED; Winding Shielding Method: INTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE AND BROUGHT OUT TO TERMINAL SINGLE COMPONENT; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT; Mounting Facility Quantity: 4 SINGLE GROUP. 21 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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