PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R103926Transformer,power

Oeco, Llc · NSN 5950-01-107-8679 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-107-8679 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-107-8679. Primary manufacturer part number: R103926.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Inclosure Type: FULLY INCLOSED
  • Frequency Rating: 60.0 HERTZ NOMINAL SINGLE COMPONENT
  • Body Length: 2.520 INCHES NOMINAL IN
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 1.754 INCHES MINIMUM AND 1.786 INCHES MAXIMUM 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 5950-01-107-8679, 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 Oeco, Llc. Government technical data includes 19 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-107-8679
Primary Part NumberR103926
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerOeco, Llc
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Mounting Facility Quantity4 SINGLE GROUP
Inclosure TypeFULLY INCLOSED
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Body Length2.520 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Width1.754 INCHES MINIMUM AND 1.786 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Voltage28.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Winding Operating Current715.0 MILLIAMPERES AC NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Winding Operating Voltage440.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Shielding MethodINTERNALLY SHIELDED SINGLE COMPONENT
Body Width2.520 INCHES NOMINAL IN
Body Height3.350 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Length1.754 INCHES MINIMUM AND 1.786 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Nominal Thread Size4.0 MILLIMETERS SINGLE GROUP MM
Terminal Type and Quantity5 SOLDER STUD
Thread Series DesignatorISO M SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3110-00-100-03652924 INTERCHANGEABLE
Cup,tapered Roller Bearing
The Timken Corporation
3110-01-018-977443247 INTERCHANGEABLE
Ball,bearing
Goodrich Actuation Systems Ltd
5950-01-167-704243247 INTERCHANGEABLE
Transformer,radio Frequency
Vanguard Electronics, Llc
4330-01-304-338543247 INTERCHANGEABLE
Filter,fluid
Wintec Llc
3020-01-384-729743247 INTERCHANGEABLE
Chain,roller
Air Techniques, Inc.
3020-01-629-5003 INTERCHANGEABLE
Planet Gear,upper
Cross-Reference Index
Part NumberManufacturer
43247 Coast/advanced Chip Magnetics, Inc. (USA)
5950PL0813924 Jednolity Indeks Materialowy - Uniform Material Index (POL)
5518365 Naval Sea Systems Command (USA)
R103926 PRIMARY Oeco, Llc (USA)
Related Parts
3110-00-100-0365INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
2924
3110-01-018-9774INTERCHANGEABLE
BALL,BEARING
43247
5950-01-167-7042INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
43247
4330-01-304-3385INTERCHANGEABLE
FILTER,FLUID
43247
3020-01-384-7297INTERCHANGEABLE
CHAIN,ROLLER
43247
3020-01-629-5003INTERCHANGEABLE
PLANET GEAR,UPPER

Frequently Asked Questions

What is NSN 5950-01-107-8679?

NSN 5950-01-107-8679 is a Transformer,power, manufactured by Oeco, Llc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-107-8679?

NSN 5950-01-107-8679 has 4 cross-referenced part numbers: 43247 (Coast/advanced Chip Magnetics, Inc.), 5950PL0813924 (Jednolity Indeks Materialowy - Uniform Material Index), 5518365 (Naval Sea Systems Command), R103926 (Oeco, Llc).

What NSN replaces 5950-01-107-8679?

There are 6 known substitutes for 5950-01-107-8679: 3110-00-100-0365, 3110-01-018-9774, 5950-01-167-7042 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of R103926?

Key specifications for R103926: Reliability Indicator: NOT ESTABLISHED; Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT; Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: FULLY INCLOSED. 19 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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