PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ML3Reactor

United Transformer Corp Sub of Opt Industries Inc · NSN 5950-01-144-9818 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-144-9818 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-144-9818. Primary manufacturer part number: ML3.
Features
  • Reactor — FSC 5950
  • Specification/standard Data: 81349-MIL-T-27/164 GOVERNMENT SPECIFICATION
  • Body Length: 0.484 INCHES NOMINAL IN
  • Rating Method: ELECTRICAL SINGLE COMPONENT SINGLE WINDING
  • Test Data Document: 81349-MIL-T-27 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
  • Inclosure Type: FULLY INCLOSED
  • Inductance Rating: 0.70 HENRY NOMINAL SINGLE COMPONENT SINGLE WINDING
  • Body Height: 0.563 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Reactor, cataloged under National Stock Number 5950-01-144-9818, 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 United Transformer Corp Sub of Opt Industries Inc. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-144-9818
Primary Part NumberML3
Item NameReactor
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerUnited Transformer Corp Sub of Opt Industries Inc
StatusACTIVE
Specification/standard Data81349-MIL-T-27/164 GOVERNMENT SPECIFICATION
Body Length0.484 INCHES NOMINAL IN
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDING
Test Data Document81349-MIL-T-27 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Inclosure TypeFULLY INCLOSED
Inductance Rating0.70 HENRY NOMINAL SINGLE COMPONENT SINGLE WINDING
Body Height0.563 INCHES NOMINAL IN
Maximum Operating Temp105.0 CELSIUS DEGC
Reliability IndicatorNOT ESTABLISHED
Winding Quantity1 SINGLE COMPONENT
Winding Operating Current5.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Body Width0.438 INCHES NOMINAL IN
Frequency Rating1.0 KILOHERTZ NOMINAL SINGLE COMPONENT
Mounting MethodTERMINAL SINGLE GROUP
Inductance TypeFIXED
DC Resistance Rating in Ohms135.000 SINGLE COMPONENT SINGLE WINDING
Terminal Type and Quantity2 WIRE LEAD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-878-9669ML3 INTERCHANGEABLE
Reactor
Magnetika Inc Div Magnetika/phillipsburg Location
5950-01-100-5572 INTERCHANGEABLE
Reactor
5950-01-100-8226 INTERCHANGEABLE
Reactor
5950-01-104-4421 INTERCHANGEABLE
Reactor
5950-01-104-4423 INTERCHANGEABLE
Reactor
5950-01-104-4428 INTERCHANGEABLE
Reactor
5950-01-104-5424 INTERCHANGEABLE
Reactor
5950-01-109-7161 INTERCHANGEABLE
Reactor
5950-01-114-3258 INTERCHANGEABLE
Reactor
5340-01-197-6754ML3 INTERCHANGEABLE
Padlock
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
Cross-Reference Index
Part NumberManufacturer
ML3 United Transformer Corp Sub of Opt Industries Inc (USA)
MIL-PRF-27/164 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-T-27/164 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M27/164-04 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5950-00-878-9669INTERCHANGEABLE
REACTOR
ML3
5950-01-100-5572INTERCHANGEABLE
REACTOR
5950-01-100-8226INTERCHANGEABLE
REACTOR
5950-01-104-4421INTERCHANGEABLE
REACTOR
5950-01-104-4423INTERCHANGEABLE
REACTOR
5950-01-104-4428INTERCHANGEABLE
REACTOR
5950-01-104-5424INTERCHANGEABLE
REACTOR
5950-01-109-7161INTERCHANGEABLE
REACTOR
5950-01-114-3258INTERCHANGEABLE
REACTOR
5340-01-197-6754INTERCHANGEABLE
PADLOCK
ML3
5950-01-199-8840INTERCHANGEABLE
REACTOR
6230-01-247-7549INTERCHANGEABLE
FLASHLIGHT
S3D016

Frequently Asked Questions

What is NSN 5950-01-144-9818?

NSN 5950-01-144-9818 is a Reactor, manufactured by United Transformer Corp Sub of Opt Industries Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-144-9818?

NSN 5950-01-144-9818 has 4 cross-referenced part numbers: ML3 (United Transformer Corp Sub of Opt Industries Inc), MIL-PRF-27/164 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-T-27/164 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M27/164-04 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5950-01-144-9818?

There are 12 known substitutes for 5950-01-144-9818: 5950-00-878-9669, 5950-01-100-5572, 5950-01-100-8226 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ML3?

Key specifications for ML3: Specification/standard Data: 81349-MIL-T-27/164 GOVERNMENT SPECIFICATION; Body Length: 0.484 INCHES NOMINAL IN; Rating Method: ELECTRICAL SINGLE COMPONENT SINGLE WINDING; Test Data Document: 81349-MIL-T-27 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).. 17 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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