PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R259125-1Transformer,power

Raytheon Company · NSN 5950-00-449-3738 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-449-3738 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-449-3738. Primary manufacturer part number: R259125-1.
Features
  • Transformer,power — FSC 5950
  • 2 verified cross-references
  • Primary manufacturer: Raytheon Company
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-449-3738, 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 Raytheon Company. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameTransformer,power
FSC / FSG5950 — No Item Name Available (FSG 59)
ManufacturersRaytheon Company (CAGE 04071); Freed Transformer Co (CAGE 73386)
Technical Specifications
ParameterValue
NSN5950-00-449-3738
Primary Part NumberR259125-1
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerRaytheon Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
2940-00-141-9025 INTERCHANGEABLE
Filter Element,fluid
4810-00-343-5998335506300M02 INTERCHANGEABLE
Seat,valve
Magnatrol Valve Corp Div Clark-Cooper
3110-00-529-9480 INTERCHANGEABLE
Bearing,ball,annular
5950-00-683-3232 INTERCHANGEABLE
Transformer,power
5970-01-071-3394 INTERCHANGEABLE
Insulator,plate
3230-01-269-052943161 INTERCHANGEABLE
Bit,router
Porter Cable/delta
4810-01-373-784043161 INTERCHANGEABLE
Seat,valve
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Cross-Reference Index
Part NumberManufacturer
R259125-1 PRIMARY Raytheon Company (USA)
43161 Freed Transformer Co (USA)
Related Parts
2940-00-141-9025INTERCHANGEABLE
FILTER ELEMENT,FLUID
4810-00-343-5998INTERCHANGEABLE
SEAT,VALVE
335506300M02
3110-00-529-9480INTERCHANGEABLE
BEARING,BALL,ANNULAR
5950-00-683-3232INTERCHANGEABLE
TRANSFORMER,POWER
5970-01-071-3394INTERCHANGEABLE
INSULATOR,PLATE
3230-01-269-0529INTERCHANGEABLE
BIT,ROUTER
43161
4810-01-373-7840INTERCHANGEABLE
SEAT,VALVE
43161

Frequently Asked Questions

What is NSN 5950-00-449-3738?

NSN 5950-00-449-3738 is a Transformer,power, manufactured by Raytheon Company, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-449-3738?

NSN 5950-00-449-3738 has 2 cross-referenced part numbers: R259125-1 (Raytheon Company), 43161 (Freed Transformer Co).

What NSN replaces 5950-00-449-3738?

There are 7 known substitutes for 5950-00-449-3738: 2940-00-141-9025, 4810-00-343-5998, 3110-00-529-9480 and 4 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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