PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

44138Reactor

Freed Transformer Co · NSN 5950-01-074-4547 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-074-4547 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-074-4547. Primary manufacturer part number: 44138.
Features
  • Reactor — FSC 5950
  • DC Resistance Rating in Ohms: 650.000 SINGLE COMPONENT SINGLE WINDING
  • Inductance Rating: 385.00 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
  • Frequency Rating: 1.0 KILOHERTZ NOMINAL SINGLE COMPONENT
  • Mounting Method: TERMINAL SINGLE GROUP
  • Body Outside Diameter: 1.000 INCHES MAXIMUM IN
  • Winding Quantity: 1 SINGLE COMPONENT
  • Rating Method: ELECTRICAL SINGLE COMPONENT SINGLE WINDING
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Reactor, cataloged under National Stock Number 5950-01-074-4547, 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 Freed Transformer Co. Government technical data includes 11 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-074-4547
Primary Part Number44138
Item NameReactor
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerFreed Transformer Co
StatusACTIVE
DC Resistance Rating in Ohms650.000 SINGLE COMPONENT SINGLE WINDING
Inductance Rating385.00 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
Frequency Rating1.0 KILOHERTZ NOMINAL SINGLE COMPONENT
Mounting MethodTERMINAL SINGLE GROUP
Body Outside Diameter1.000 INCHES MAXIMUM IN
Winding Quantity1 SINGLE COMPONENT
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDING
Body Length0.400 INCHES MAXIMUM IN
Terminal Type and Quantity2 WIRE LEAD
Reliability IndicatorNOT ESTABLISHED
Inclosure TypeFULLY INCLOSED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5133-00-266-9228 INTERCHANGEABLE
Drill,twist
3030-00-294-9836 INTERCHANGEABLE
Belt,v
5935-01-062-244344138 INTERCHANGEABLE
Connector,plug,electrical
Andrew Llc
6125-01-127-018144138 INTERCHANGEABLE
Ring
Electro-Tec Corp Dba Moog Inc., Components Group
7520-01-166-06827520-01-166-0682 INTERCHANGEABLE
Marker,tube Type
National Industries for the Blind
Cross-Reference Index
Part NumberManufacturer
44138 Freed Transformer Co (USA)
26-5195-05 Hisonic, Llc (USA)
B28C0025-5 Mcdonnell Douglas Corp Mcdonnell Douglas Electronic Systems Co (USA)
TW-64728 Magnetika (USA)
Related Parts
5133-00-266-9228INTERCHANGEABLE
DRILL,TWIST
3030-00-294-9836INTERCHANGEABLE
BELT,V
5935-01-062-2443INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
44138
6125-01-127-0181INTERCHANGEABLE
RING
44138
7520-01-166-0682INTERCHANGEABLE
MARKER,TUBE TYPE
7520-01-166-0682

Frequently Asked Questions

What is NSN 5950-01-074-4547?

NSN 5950-01-074-4547 is a Reactor, manufactured by Freed Transformer Co, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-074-4547?

NSN 5950-01-074-4547 has 4 cross-referenced part numbers: 44138 (Freed Transformer Co), 26-5195-05 (Hisonic, Llc), B28C0025-5 (Mcdonnell Douglas Corp Mcdonnell Douglas Electronic Systems Co), TW-64728 (Magnetika).

What NSN replaces 5950-01-074-4547?

There are 5 known substitutes for 5950-01-074-4547: 5133-00-266-9228, 3030-00-294-9836, 5935-01-062-2443 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 44138?

Key specifications for 44138: DC Resistance Rating in Ohms: 650.000 SINGLE COMPONENT SINGLE WINDING; Inductance Rating: 385.00 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING; Frequency Rating: 1.0 KILOHERTZ NOMINAL SINGLE COMPONENT; Mounting Method: TERMINAL SINGLE GROUP. 11 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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