PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R104119ATransformer,power

Oeco, Llc · NSN 5950-01-125-6899 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-125-6899 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-125-6899. Primary manufacturer part number: R104119A.
Features
  • Transformer,power — FSC 5950
  • Winding Function and Quantity: 1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT
  • Maximum Transformer Power Rating: 34.2 WATTS SINGLE COMPONENT
  • Winding Power Rating: 2.1 WATTS SINGLE COMPONENT SECOND SECONDARY
  • Winding Operating Current: 0.3 AMPERES DC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.260 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Winding Power Rating: 34.2 WATTS SINGLE COMPONENT THIRD SECONDARY
  • 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 5950-01-125-6899, 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 15 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-125-6899
Primary Part NumberR104119A
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerOeco, Llc
StatusACTIVE
Winding Function and Quantity1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT
Maximum Transformer Power Rating34.2 WATTS SINGLE COMPONENT
Winding Power Rating2.1 WATTS SINGLE COMPONENT SECOND SECONDARY
Winding Operating Current0.3 AMPERES DC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Length1.260 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Power Rating34.2 WATTS SINGLE COMPONENT THIRD SECONDARY
Inclosure TypeFULLY INCLOSED
Mounting Facility Quantity4 SINGLE GROUP
Winding Operating Current0.2 AMPERES DC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
Terminal Type and Quantity11 SOLDER STUD
Winding Operating Current0.1 AMPERES DC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Winding Power Rating7.7 WATTS SINGLE COMPONENT FIRST SECONDARY
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Width0.860 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3010-00-203-1653031020-0000 INTERCHANGEABLE
Coupling,shaft,flexible
Thales Usa, Inc. Div Air Mobility Solutions ("ams")
5310-00-616-30235437 INTERCHANGEABLE
Washer,flat
Am General Llc
3010-00-705-2273A5437 INTERCHANGEABLE
Coupling,shaft,flexible
Oberdorfer Foundries Inc
5930-01-152-67485437 INTERCHANGEABLE
Switch,electrical
Watts Heating and Hot Water Solutions Llc Dba Pvi Industries Llc
5962-01-299-0561 INTERCHANGEABLE
Microcircuit,digital
5315-01-364-23865437 INTERCHANGEABLE
Pin,straight,headed
Pdi Ground Support Systems, Inc.
Cross-Reference Index
Part NumberManufacturer
10132802 Nimikkeistokeskus Ncb Finland (FIN)
R104119A PRIMARY Oeco, Llc (USA)
5437 PRIMARY Keytronics, Inc. Div Api Technologies Corp- Magnetics (USA)
R104119-4 Oeco, Llc (USA)
7109051-001 Ge Aviation Systems Llc Dba Ge Aviation (USA)
Related Parts
3010-00-203-1653INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
031020-0000
5310-00-616-3023INTERCHANGEABLE
WASHER,FLAT
5437
3010-00-705-2273INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
A5437
5930-01-152-6748INTERCHANGEABLE
SWITCH,ELECTRICAL
5437
5962-01-299-0561INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5315-01-364-2386INTERCHANGEABLE
PIN,STRAIGHT,HEADED
5437

Frequently Asked Questions

What is NSN 5950-01-125-6899?

NSN 5950-01-125-6899 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 5950-01-125-6899?

NSN 5950-01-125-6899 has 5 cross-referenced part numbers: 10132802 (Nimikkeistokeskus Ncb Finland), R104119A (Oeco, Llc), 5437 (Keytronics, Inc. Div Api Technologies Corp- Magnetics), R104119-4 (Oeco, Llc), 7109051-001 (Ge Aviation Systems Llc Dba Ge Aviation).

What NSN replaces 5950-01-125-6899?

There are 6 known substitutes for 5950-01-125-6899: 3010-00-203-1653, 5310-00-616-3023, 3010-00-705-2273 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of R104119A?

Key specifications for R104119A: Winding Function and Quantity: 1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT; Maximum Transformer Power Rating: 34.2 WATTS SINGLE COMPONENT; Winding Power Rating: 2.1 WATTS SINGLE COMPONENT SECOND SECONDARY; Winding Operating Current: 0.3 AMPERES DC MAXIMUM SINGLE COMPONENT FIRST 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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