PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M12Reactor

United Transformer Corp Sub of Opt Industries Inc · NSN 5950-01-100-5572 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-100-5572 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-100-5572. Primary manufacturer part number: M12.
Features
  • Reactor — FSC 5950
  • Maximum Operating Temp: 105.0 CELSIUS DEGC
  • Inductance Type: FIXED
  • Frequency Rating: 2.0 KILOHERTZ NOMINAL SINGLE COMPONENT
  • Body Length: 0.484 INCHES NOMINAL IN
  • Winding Quantity: 1 SINGLE COMPONENT
  • Body Width: 0.438 INCHES NOMINAL IN
  • Inductance Rating: 400.00 MILLIHENRIES NOMINAL 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 5950-01-100-5572, 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 10 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-01-100-5572
Primary Part NumberM12
Item NameReactor
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerUnited Transformer Corp Sub of Opt Industries Inc
StatusCANCELLED
Maximum Operating Temp105.0 CELSIUS DEGC
Inductance TypeFIXED
Frequency Rating2.0 KILOHERTZ NOMINAL SINGLE COMPONENT
Body Length0.484 INCHES NOMINAL IN
Winding Quantity1 SINGLE COMPONENT
Body Width0.438 INCHES NOMINAL IN
Inductance Rating400.00 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
Winding Operating Current7.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Inclosure TypeFULLY INCLOSED
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDING
Terminal Type and Quantity2 WIRE LEAD
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.).
Reliability IndicatorNOT ESTABLISHED
DC Resistance Rating in Ohms90.000 SINGLE COMPONENT SINGLE WINDING
Specification/standard Data81349-MIL-T-27/164 GOVERNMENT SPECIFICATION
Body Height0.563 INCHES NOMINAL IN
Mounting MethodTERMINAL SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6210-00-105-0177ML2 INTERCHANGEABLE
Annunciator Lamp B
H.r. Kirkland Company, Inc.
6660-00-224-6350ML2 INTERCHANGEABLE
Barometer,mercurial
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
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
5950-01-144-9818 INTERCHANGEABLE
Reactor
Cross-Reference Index
Part NumberManufacturer
M12 United Transformer Corp Sub of Opt Industries Inc (USA)
254168-3 Lucent Technologies Inc Dba Federal Marketing Group (USA)
MI2 United Transformer Corp Sub of Opt Industries Inc (USA)
ML2 United Transformer Corp Sub of Opt Industries Inc (USA)
MIL-T-27/164 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-27/164 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M27/164-03 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
254168-0003 Sypris Electronics, Llc (USA)
ML2 Magnetika Inc Div Magnetika/phillipsburg Location (USA)
254168-3 Sypris Electronics, Llc (USA)
Related Parts
6210-00-105-0177INTERCHANGEABLE
ANNUNCIATOR LAMP B
ML2
6660-00-224-6350INTERCHANGEABLE
BAROMETER,MERCURIAL
ML2
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
5950-01-144-9818INTERCHANGEABLE
REACTOR
5950-01-199-8840INTERCHANGEABLE
REACTOR
6230-01-230-0870INTERCHANGEABLE
FLOODLIGHT ASSEMBLY

Frequently Asked Questions

What is NSN 5950-01-100-5572?

NSN 5950-01-100-5572 is a Reactor, manufactured by United Transformer Corp Sub of Opt Industries Inc, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-01-100-5572?

NSN 5950-01-100-5572 has 10 cross-referenced part numbers: M12 (United Transformer Corp Sub of Opt Industries Inc), 254168-3 (Lucent Technologies Inc Dba Federal Marketing Group), MI2 (United Transformer Corp Sub of Opt Industries Inc), ML2 (United Transformer Corp Sub of Opt Industries Inc), MIL-T-27/164 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 5 more.

What NSN replaces 5950-01-100-5572?

There are 12 known substitutes for 5950-01-100-5572: 6210-00-105-0177, 6660-00-224-6350, 5950-01-100-8226 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M12?

Key specifications for M12: Maximum Operating Temp: 105.0 CELSIUS DEGC; Inductance Type: FIXED; Frequency Rating: 2.0 KILOHERTZ NOMINAL SINGLE COMPONENT; Body Length: 0.484 INCHES NOMINAL IN. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-01-100-5572 still in active supply?

NSN 5950-01-100-5572 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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