PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R104166Transformer,power

Oeco, Llc · NSN 5950-01-104-1506 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-104-1506 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-104-1506. Primary manufacturer part number: R104166.
Features
  • Transformer,power — FSC 5950
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Mounting Hole Diameter: 0.281 INCHES NOMINAL SINGLE GROUP IN
  • Winding Operating Current: 6.8 AMPERES AC MINIMUM SINGLE COMPONENT SINGLE SECONDARY
  • Distance Between Mounting Facility Centers: 4.125 INCHES NOMINAL AND 8.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Mounting Method: UNTHREADED HOLE(S) SINGLE GROUP
  • Terminal Type and Quantity: 8 THREADED STUD
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-01-104-1506, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-104-1506
Primary Part NumberR104166
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerOeco, Llc
StatusACTIVE
Mounting Facility Quantity4 SINGLE GROUP
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Mounting Hole Diameter0.281 INCHES NOMINAL SINGLE GROUP IN
Winding Operating Current6.8 AMPERES AC MINIMUM SINGLE COMPONENT SINGLE SECONDARY
Distance Between Mounting Facility Centers4.125 INCHES NOMINAL AND 8.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Terminal Type and Quantity8 THREADED STUD
Transformer Winding Connection TypeDELTA-WYE
Frequency Rating47.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
Input-Output Phase RelationshipTHREE PHASE TO THREE PHASE SINGLE COMPONENT
Winding Operating Voltage440.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Power Rating25.0 WATTS SINGLE COMPONENT SINGLE PRIMARY
Winding Operating Voltage170.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Inclosure TypeFULLY INCLOSED
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3030-00-270-369518 INTERCHANGEABLE
Belt,v
Contitech Usa, Inc Dba Veyance Technologies
5961-00-866-3192109130-1 INTERCHANGEABLE
Semiconductor Device,diode
L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products
5310-01-200-0282 INTERCHANGEABLE
Nut,self-Locking,hexagon
4820-01-378-6112 INTERCHANGEABLE
Indicator,valve Opening
Cross-Reference Index
Part NumberManufacturer
975829-1 Raytheon Company Div Corp (USA)
975829-1 Raytheon Company Dba Raytheon Co (USA)
PEI 7720 Precision Electronics, Inc (USA)
R104166 PRIMARY Oeco, Llc (USA)
V15 Oeco, Llc (USA)
Related Parts
3030-00-270-3695INTERCHANGEABLE
BELT,V
18
5961-00-866-3192INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
109130-1
5310-01-200-0282INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
4820-01-378-6112INTERCHANGEABLE
INDICATOR,VALVE OPENING

Frequently Asked Questions

What is NSN 5950-01-104-1506?

NSN 5950-01-104-1506 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 5950-01-104-1506?

NSN 5950-01-104-1506 has 5 cross-referenced part numbers: 975829-1 (Raytheon Company Div Corp), 975829-1 (Raytheon Company Dba Raytheon Co), PEI 7720 (Precision Electronics, Inc), R104166 (Oeco, Llc), V15 (Oeco, Llc).

What NSN replaces 5950-01-104-1506?

There are 4 known substitutes for 5950-01-104-1506: 3030-00-270-3695, 5961-00-866-3192, 5310-01-200-0282 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of R104166?

Key specifications for R104166: Overall Length: 9.000 INCHES NOMINAL IN; Mounting Facility Quantity: 4 SINGLE GROUP; Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT; Mounting Hole Diameter: 0.281 INCHES NOMINAL SINGLE GROUP IN. 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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