PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

392-7128-1Transformer,power

Lockheed Martin Corporation Dba Lockheed Martin Government · NSN 5950-00-139-8886 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-139-8886 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-139-8886. Primary manufacturer part number: 392-7128-1.
Features
  • Transformer,power — FSC 5950
  • Distance Between Mounting Facility Centers: 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Body Width: 1.100 INCHES MAXIMUM IN
  • Reliability Indicator: NOT ESTABLISHED
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Body Length: 1.100 INCHES MAXIMUM IN
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Inclosure Type: FULLY INCLOSED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-139-8886, 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 Dba Lockheed Martin Government. Government technical data includes 14 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-139-8886
Primary Part Number392-7128-1
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerLockheed Martin Corporation Dba Lockheed Martin Government
StatusACTIVE
Distance Between Mounting Facility Centers0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Width1.100 INCHES MAXIMUM IN
Reliability IndicatorNOT ESTABLISHED
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Body Length1.100 INCHES MAXIMUM IN
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Body Height1.000 INCHES MAXIMUM IN
Nominal Thread Size0.112 INCHES SINGLE GROUP IN
Thread Quantity Per Inch40 SINGLE GROUP
Terminal Type and Quantity6 WIRE LEAD
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Mounting Facility Quantity2 SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5133-00-228-136314850 INTERCHANGEABLE
Drill,twist
Viking Drill & Tool, Inc.
6140-00-836-12833 EE INTERCHANGEABLE
Battery,storage
Stryten Energy Llc Dba Stryten Manufacturing
Cross-Reference Index
Part NumberManufacturer
41178 Coast/advanced Chip Magnetics, Inc. (USA)
392-7128-1 Lockheed Martin Corp Electronics and Missiles Div (USA)
392-7128-1 Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions (USA)
392-7128-1 PRIMARY Lockheed Martin Corporation Dba Lockheed Martin Government (USA)
Related Parts
5133-00-228-1363INTERCHANGEABLE
DRILL,TWIST
14850
6140-00-836-1283INTERCHANGEABLE
BATTERY,STORAGE
3 EE

Frequently Asked Questions

What is NSN 5950-00-139-8886?

NSN 5950-00-139-8886 is a Transformer,power, manufactured by Lockheed Martin Corporation Dba Lockheed Martin Government, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-139-8886?

NSN 5950-00-139-8886 has 4 cross-referenced part numbers: 41178 (Coast/advanced Chip Magnetics, Inc.), 392-7128-1 (Lockheed Martin Corp Electronics and Missiles Div), 392-7128-1 (Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions), 392-7128-1 (Lockheed Martin Corporation Dba Lockheed Martin Government).

What NSN replaces 5950-00-139-8886?

There are 2 known substitutes for 5950-00-139-8886: 5133-00-228-1363, 6140-00-836-1283. Verify interchangeability with system specifications before substitution.

What are the specifications of 392-7128-1?

Key specifications for 392-7128-1: Distance Between Mounting Facility Centers: 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Body Width: 1.100 INCHES MAXIMUM IN; Reliability Indicator: NOT ESTABLISHED; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT. 14 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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