PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25690Reactor

Freed Transformer Co · NSN 5950-00-648-2559 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-648-2559 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-648-2559. Primary manufacturer part number: 25690.
Features
  • Reactor — FSC 5950
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Inductance Rating: 3.90 HENRY MINIMUM SINGLE COMPONENT SINGLE WINDING
  • Body Length: 3.875 INCHES MAXIMUM IN
  • Maximum Operating Temp: 105.0 CELSIUS DEGC
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 3.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Reliability Indicator: NOT ESTABLISHED
  • DC Resistance Rating in Ohms: 45.000 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 5950-00-648-2559, 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 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-648-2559
Primary Part Number25690
Item NameReactor
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerFreed Transformer Co
StatusACTIVE
Center to Center Distance Between Mounting Facilities Parallel to Width3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Inductance Rating3.90 HENRY MINIMUM SINGLE COMPONENT SINGLE WINDING
Body Length3.875 INCHES MAXIMUM IN
Maximum Operating Temp105.0 CELSIUS DEGC
Center to Center Distance Between Mounting Facilities Parallel to Length3.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Reliability IndicatorNOT ESTABLISHED
DC Resistance Rating in Ohms45.000 SINGLE COMPONENT SINGLE WINDING
Inclosure TypeOPEN
Winding Operating Current500.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDING
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Inductance TypeFIXED
Mounting Facility Quantity4 SINGLE GROUP
Mounting Hole Diameter0.218 INCHES NOMINAL SINGLE GROUP IN
Body Width3.625 INCHES MAXIMUM IN
Terminal Type and Quantity2 TAB, SOLDER LUG
Body Height3.562 INCHES MAXIMUM IN
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Winding Quantity1 SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4310-00-715-567325690 INTERCHANGEABLE
Connector
Hdt Expeditionary Systems Inc
5325-01-037-538411119 INTERCHANGEABLE
Ring,retaining
Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group
4820-01-346-466025690 INTERCHANGEABLE
Valve,vacuum Breaking
Liquid Metronics Inc
Cross-Reference Index
Part NumberManufacturer
FR1127 Bae Systems Information and Electronic Systems Integration Inc. (USA)
25690 PRIMARY Freed Transformer Co (USA)
Related Parts
4310-00-715-5673INTERCHANGEABLE
CONNECTOR
25690
5325-01-037-5384INTERCHANGEABLE
RING,RETAINING
11119
4820-01-346-4660INTERCHANGEABLE
VALVE,VACUUM BREAKING
25690

Frequently Asked Questions

What is NSN 5950-00-648-2559?

NSN 5950-00-648-2559 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 5950-00-648-2559?

NSN 5950-00-648-2559 has 2 cross-referenced part numbers: FR1127 (Bae Systems Information and Electronic Systems Integration Inc.), 25690 (Freed Transformer Co).

What NSN replaces 5950-00-648-2559?

There are 3 known substitutes for 5950-00-648-2559: 4310-00-715-5673, 5325-01-037-5384, 4820-01-346-4660. Verify interchangeability with system specifications before substitution.

What are the specifications of 25690?

Key specifications for 25690: Center to Center Distance Between Mounting Facilities Parallel to Width: 3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Inductance Rating: 3.90 HENRY MINIMUM SINGLE COMPONENT SINGLE WINDING; Body Length: 3.875 INCHES MAXIMUM IN; Maximum Operating Temp: 105.0 CELSIUS DEGC. 19 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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