PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1128EDC125Transformer,power

Northrop Grumman Systems Corporation · NSN 5950-01-211-8011 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-211-8011 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-211-8011. Primary manufacturer part number: 1128EDC125.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Winding Operating Voltage: 5.00 DC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
  • Winding Operating Voltage: 10.60 AC VOLTS MINIMUM AND 21.21 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
  • Nominal Thread Size: 0.138 INCHES SINGLE GROUP IN
  • Terminal Type and Quantity: 18 PIN
  • Frequency Rating: 20.0 KILOHERTZ NOMINAL SINGLE COMPONENT
  • Distance Between Mounting Facility Centers: 1.580 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-01-211-8011, 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. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 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
NSN5950-01-211-8011
Primary Part Number1128EDC125
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Winding Operating Voltage5.00 DC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Winding Operating Voltage10.60 AC VOLTS MINIMUM AND 21.21 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Terminal Type and Quantity18 PIN
Frequency Rating20.0 KILOHERTZ NOMINAL SINGLE COMPONENT
Distance Between Mounting Facility Centers1.580 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting Facility Quantity2 SINGLE GROUP
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Winding Operating Current4.7 AMPERES DC MINIMUM AND 7.0 AMPERES DC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Winding Operating Voltage19.00 DC VOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY
Body Outside Diameter1.380 INCHES MAXIMUM IN
Winding Operating Current4.7 AMPERES DC MINIMUM AND 7.0 AMPERES DC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Winding Function and Quantity1 PRIMARY AND 7 SECONDARY SINGLE COMPONENT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Maximum Operating Temp70.0 CELSIUS DEGC
Winding Operating Current2.2 AMPERES DC MINIMUM AND 3.3 AMPERES DC MAXIMUM SINGLE COMPONENT FOURTH SECONDARY
Winding Operating Current2.2 AMPERES DC MINIMUM AND 3.3 AMPERES DC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
Body Length1.170 INCHES MAXIMUM IN
Winding Operating Voltage5.00 DC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Inclosure TypeFULLY INCLOSED
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Operating Voltage19.00 DC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
6665-00-389-837542487 INTERCHANGEABLE
Bottom Subassy,case
Mine Safety Appliances Company
5930-01-075-574742487 INTERCHANGEABLE
Switch
Dressta North America Ltd
5962-01-177-072342487 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Div Rmd Strategic
4730-01-341-720943377REVA INTERCHANGEABLE
Expansion Joint,pipe
Hyspan Precision Products, Inc.
5930-01-505-536843377 INTERCHANGEABLE
Switch Assembly
Allied Systems Company Dba Allied Systems Co
2940-01-626-2166PA4113 INTERCHANGEABLE
Filter Element,intake Air Cleane
Baldwin Filters
Cross-Reference Index
Part NumberManufacturer
42487 Coast/advanced Chip Magnetics, Inc. (USA)
1128EDC125 PRIMARY Northrop Grumman Systems Corporation (USA)
1128EDC125 Northrop Grumman Systems Corporation (USA)
43377 Freed Transformer Co (USA)
Related Parts
6665-00-389-8375INTERCHANGEABLE
BOTTOM SUBASSY,CASE
42487
5930-01-075-5747INTERCHANGEABLE
SWITCH
42487
5962-01-177-0723INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
42487
4730-01-341-7209INTERCHANGEABLE
EXPANSION JOINT,PIPE
43377REVA
5930-01-505-5368INTERCHANGEABLE
SWITCH ASSEMBLY
43377
2940-01-626-2166INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
PA4113

Frequently Asked Questions

What is NSN 5950-01-211-8011?

NSN 5950-01-211-8011 is a Transformer,power, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-211-8011?

NSN 5950-01-211-8011 has 4 cross-referenced part numbers: 42487 (Coast/advanced Chip Magnetics, Inc.), 1128EDC125 (Northrop Grumman Systems Corporation), 1128EDC125 (Northrop Grumman Systems Corporation), 43377 (Freed Transformer Co).

What NSN replaces 5950-01-211-8011?

There are 6 known substitutes for 5950-01-211-8011: 6665-00-389-8375, 5930-01-075-5747, 5962-01-177-0723 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1128EDC125?

Key specifications for 1128EDC125: Reliability Indicator: NOT ESTABLISHED; Winding Operating Voltage: 5.00 DC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY; Winding Operating Voltage: 10.60 AC VOLTS MINIMUM AND 21.21 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE PRIMARY; Nominal Thread Size: 0.138 INCHES SINGLE GROUP IN. 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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