PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-PRF-27/240Reactor

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5950-01-259-8500 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-259-8500 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-259-8500. Primary manufacturer part number: MIL-PRF-27/240.
Features
  • Reactor — FSC 5950
  • DC Resistance Rating in Ohms: 19.000 SINGLE COMPONENT SINGLE WINDING
  • Inductance Rating: 12.50 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
  • Inductance Type: FIXED
  • Maximum Operating Temp: 105.0 CELSIUS DEGC
  • Inclosure Type: FULLY INCLOSED
  • Rating Method: ELECTRICAL SINGLE COMPONENT SINGLE WINDING
  • Reliability Indicator: NOT ESTABLISHED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Reactor, cataloged under National Stock Number 5950-01-259-8500, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-259-8500
Primary Part NumberMIL-PRF-27/240
Item NameReactor
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
DC Resistance Rating in Ohms19.000 SINGLE COMPONENT SINGLE WINDING
Inductance Rating12.50 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
Inductance TypeFIXED
Maximum Operating Temp105.0 CELSIUS DEGC
Inclosure TypeFULLY INCLOSED
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDING
Reliability IndicatorNOT ESTABLISHED
Test Data Document81349-MIL-PRF-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.).
Winding Quantity1 SINGLE COMPONENT
Winding Operating Current25.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Specification/standard Data81349-MIL-PRF-27/240 GOVERNMENT SPECIFICATION
Mounting MethodTERMINAL SINGLE GROUP
Body Length0.281 INCHES MAXIMUM IN
Terminal Type and Quantity2 WIRE LEAD
Body Outside Diameter0.468 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5950-01-146-7755 INTERCHANGEABLE
Reactor
5950-01-186-6726 INTERCHANGEABLE
Reactor
5950-01-187-1714 INTERCHANGEABLE
Reactor
5950-01-187-1722 INTERCHANGEABLE
Reactor
5950-01-187-1727 INTERCHANGEABLE
Reactor
5950-01-192-9894 INTERCHANGEABLE
Reactor
5950-01-259-4731 INTERCHANGEABLE
Reactor
Cross-Reference Index
Part NumberManufacturer
MIL-PRF-27/240 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M27/240-04 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-T-27/240 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5950-01-146-7755INTERCHANGEABLE
REACTOR
5950-01-186-6726INTERCHANGEABLE
REACTOR
5950-01-187-1714INTERCHANGEABLE
REACTOR
5950-01-187-1722INTERCHANGEABLE
REACTOR
5950-01-187-1727INTERCHANGEABLE
REACTOR
5950-01-192-9894INTERCHANGEABLE
REACTOR
5950-01-259-4731INTERCHANGEABLE
REACTOR

Frequently Asked Questions

What is NSN 5950-01-259-8500?

NSN 5950-01-259-8500 is a Reactor, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-259-8500?

NSN 5950-01-259-8500 has 3 cross-referenced part numbers: MIL-PRF-27/240 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M27/240-04 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-T-27/240 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5950-01-259-8500?

There are 7 known substitutes for 5950-01-259-8500: 5950-01-146-7755, 5950-01-186-6726, 5950-01-187-1714 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-PRF-27/240?

Key specifications for MIL-PRF-27/240: DC Resistance Rating in Ohms: 19.000 SINGLE COMPONENT SINGLE WINDING; Inductance Rating: 12.50 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING; Inductance Type: FIXED; Maximum Operating Temp: 105.0 CELSIUS DEGC. 15 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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