PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A3105Transformer,power

Atlas Engineering Co · NSN 5950-00-348-2798 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-348-2798 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-348-2798. Primary manufacturer part number: A3105.
Features
  • Transformer,power — FSC 5950
  • Body Length: 2.750 INCHES NOMINAL IN
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Winding Operating Voltage: 40.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
  • Body Height: 3.812 INCHES NOMINAL IN
  • Winding Function and Quantity: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
  • Winding Operating Voltage: 6.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-348-2798, 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 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN5950-00-348-2798
Primary Part NumberA3105
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerAtlas Engineering Co
StatusACTIVE
Body Length2.750 INCHES NOMINAL IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Mounting Facility Quantity4 SINGLE GROUP
Winding Operating Voltage40.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Body Height3.812 INCHES NOMINAL IN
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Winding Operating Voltage6.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Length2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Operating Current2.6 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Body Width2.375 INCHES NOMINAL IN
Winding Operating Voltage6.30 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Winding Operating Current10.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Width1.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Inclosure TypeHERMETICALLY SEALED
Terminal Type and Quantity6 SOLDER STUD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3110-00-117-0757T113 INTERCHANGEABLE
Bearing,roller,thrust
The Timken Corporation
5330-00-285-9460 INTERCHANGEABLE
Seal,plain Encased
5961-00-574-37573001 INTERCHANGEABLE
Semiconductor Device,diode
Hewlett-Packard Company Dba HP
5961-00-599-978901038-1N5719TX INTERCHANGEABLE
Semiconductor Device,diode
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings)
5950-00-859-7922 INTERCHANGEABLE
Transformer,power
5962-01-117-2487CP9822 INTERCHANGEABLE
Microcircuit,linear
Micro-Precision Technologies, Inc.
Cross-Reference Index
Part NumberManufacturer
A3105 Atlas Engineering Co (USA)
B2603 Northrop Grumman Corp Precision Products Plant (USA)
Related Parts
3110-00-117-0757INTERCHANGEABLE
BEARING,ROLLER,THRUST
T113
5330-00-285-9460INTERCHANGEABLE
SEAL,PLAIN ENCASED
5961-00-574-3757INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
3001
5961-00-599-9789INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
01038-1N5719TX
5950-00-859-7922INTERCHANGEABLE
TRANSFORMER,POWER
5962-01-117-2487INTERCHANGEABLE
MICROCIRCUIT,LINEAR
CP9822

Frequently Asked Questions

What is NSN 5950-00-348-2798?

NSN 5950-00-348-2798 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 5950-00-348-2798?

NSN 5950-00-348-2798 has 2 cross-referenced part numbers: A3105 (Atlas Engineering Co), B2603 (Northrop Grumman Corp Precision Products Plant).

What NSN replaces 5950-00-348-2798?

There are 6 known substitutes for 5950-00-348-2798: 3110-00-117-0757, 5330-00-285-9460, 5961-00-574-3757 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A3105?

Key specifications for A3105: Body Length: 2.750 INCHES NOMINAL IN; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT; Mounting Facility Quantity: 4 SINGLE GROUP; Winding Operating Voltage: 40.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY. 18 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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