PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

37889Reactor

Freed Transformer Co · NSN 5950-00-836-0626 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-836-0626 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-836-0626. Primary manufacturer part number: 37889.
Features
  • Reactor — FSC 5950
  • Inductance Rating: 10.00 HENRY MAXIMUM SINGLE COMPONENT SINGLE WINDING
  • Winding Quantity: 1 SINGLE COMPONENT
  • Reliability Indicator: NOT ESTABLISHED
  • Winding Operating Current: 200.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
  • Body Length: 3.562 INCHES NOMINAL IN
  • Inclosure Type: HERMETICALLY SEALED
  • Nominal Thread Size: 0.164 INCHES SINGLE GROUP IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Reactor, cataloged under National Stock Number 5950-00-836-0626, 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 1 commercial cross-reference from 1 manufacturer, 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
NSN5950-00-836-0626
Primary Part Number37889
Item NameReactor
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerFreed Transformer Co
StatusACTIVE
Inductance Rating10.00 HENRY MAXIMUM SINGLE COMPONENT SINGLE WINDING
Winding Quantity1 SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Winding Operating Current200.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Body Length3.562 INCHES NOMINAL IN
Inclosure TypeHERMETICALLY SEALED
Nominal Thread Size0.164 INCHES SINGLE GROUP IN
Body Width3.062 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Length2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Inductance TypeFIXED
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
DC Resistance Rating in Ohms135.000 SINGLE COMPONENT SINGLE WINDING
Terminal Type and Quantity2 SOLDER STUD
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDING
Thread Quantity Per Inch32 SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Width2.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Mounting Facility Quantity4 SINGLE GROUP
Body Height4.875 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5310-00-273-77711199G111 INTERCHANGEABLE
Nut,plain,single Ball Seat,hexag
Meritor Heavy Vehicle Systems, Llc
5310-00-841-5411 INTERCHANGEABLE
Nut,self-Locking,single Ball Sea
5315-01-133-961837889 INTERCHANGEABLE
Pin,shoulder,headed
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
3120-01-158-210737889 INTERCHANGEABLE
Bearing,washer,thrust
Leslie Controls, Inc. Dba Leslie Controls Inc
5945-01-194-1014 INTERCHANGEABLE
Relay,solid State
Cross-Reference Index
Part NumberManufacturer
37889 PRIMARY Freed Transformer Co (USA)
Related Parts
5310-00-273-7771INTERCHANGEABLE
NUT,PLAIN,SINGLE BALL SEAT,HEXAG
1199G111
5310-00-841-5411INTERCHANGEABLE
NUT,SELF-LOCKING,SINGLE BALL SEA
5315-01-133-9618INTERCHANGEABLE
PIN,SHOULDER,HEADED
37889
3120-01-158-2107INTERCHANGEABLE
BEARING,WASHER,THRUST
37889
5945-01-194-1014INTERCHANGEABLE
RELAY,SOLID STATE

Frequently Asked Questions

What is NSN 5950-00-836-0626?

NSN 5950-00-836-0626 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 5950-00-836-0626?

NSN 5950-00-836-0626 has 1 cross-referenced part number: 37889 (Freed Transformer Co).

What NSN replaces 5950-00-836-0626?

There are 5 known substitutes for 5950-00-836-0626: 5310-00-273-7771, 5310-00-841-5411, 5315-01-133-9618 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 37889?

Key specifications for 37889: Inductance Rating: 10.00 HENRY MAXIMUM SINGLE COMPONENT SINGLE WINDING; Winding Quantity: 1 SINGLE COMPONENT; Reliability Indicator: NOT ESTABLISHED; Winding Operating Current: 200.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING. 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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