PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A3103Transformer,power

Atlas Engineering Co · NSN 5950-00-647-6809 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-647-6809 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-647-6809. Primary manufacturer part number: A3103.
Features
  • Transformer,power — FSC 5950
  • Winding Shielding Method: INTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE SINGLE COMPONENT
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 3.438 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Body Length: 4.312 INCHES NOMINAL IN
  • Winding Operating Current: 350.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 2.812 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Body Height: 5.562 INCHES NOMINAL IN
  • Mounting Facility Quantity: 4 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 5950-00-647-6809, 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 Atlas Engineering Co. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-647-6809
Primary Part NumberA3103
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerAtlas Engineering Co
StatusACTIVE
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Length3.438 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Length4.312 INCHES NOMINAL IN
Winding Operating Current350.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Width2.812 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Height5.562 INCHES NOMINAL IN
Mounting Facility Quantity4 SINGLE GROUP
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Body Width3.688 INCHES NOMINAL IN
Inclosure TypeHERMETICALLY SEALED
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Terminal Type and Quantity5 STANDOFF, THREADED STUD
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Operating Voltage980.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5950-00-859-7955 INTERCHANGEABLE
Transformer,power
5985-01-161-1975435332-21 INTERCHANGEABLE
Attenuator,fixed
L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products
7490-01-395-3290A310-3 INTERCHANGEABLE
Shredding Machine,paper
Security Engineered Machinery Co., Inc.
Cross-Reference Index
Part NumberManufacturer
A3103 Atlas Engineering Co (USA)
Related Parts
5950-00-859-7955INTERCHANGEABLE
TRANSFORMER,POWER
5985-01-161-1975INTERCHANGEABLE
ATTENUATOR,FIXED
435332-21
7490-01-395-3290INTERCHANGEABLE
SHREDDING MACHINE,PAPER
A310-3

Frequently Asked Questions

What is NSN 5950-00-647-6809?

NSN 5950-00-647-6809 is a Transformer,power, manufactured by Atlas Engineering Co, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-647-6809?

NSN 5950-00-647-6809 has 1 cross-referenced part number: A3103 (Atlas Engineering Co).

What NSN replaces 5950-00-647-6809?

There are 3 known substitutes for 5950-00-647-6809: 5950-00-859-7955, 5985-01-161-1975, 7490-01-395-3290. Verify interchangeability with system specifications before substitution.

What are the specifications of A3103?

Key specifications for A3103: Winding Shielding Method: INTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE SINGLE COMPONENT; Center to Center Distance Between Mounting Facilities Parallel to Length: 3.438 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Body Length: 4.312 INCHES NOMINAL IN; Winding Operating Current: 350.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY. 16 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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