PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ST26103Reactor

Sterling Transformer Corp · NSN 5950-00-877-7680 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-877-7680 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-877-7680. Primary manufacturer part number: ST26103.
Features
  • Reactor — FSC 5950
  • Rating Method: ELECTRICAL SINGLE COMPONENT SINGLE WINDING
  • Body Length: 2.313 INCHES NOMINAL IN
  • Inclosure Type: HERMETICALLY SEALED
  • Terminal Type and Quantity: 2 STANDOFF, SOLDER LUG
  • Reliability Indicator: NOT ESTABLISHED
  • Body Width: 2.063 INCHES NOMINAL IN
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 1.438 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Reactor, cataloged under National Stock Number 5950-00-877-7680, 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 Sterling Transformer Corp. 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-877-7680
Primary Part NumberST26103
Item NameReactor
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerSterling Transformer Corp
StatusACTIVE
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDING
Body Length2.313 INCHES NOMINAL IN
Inclosure TypeHERMETICALLY SEALED
Terminal Type and Quantity2 STANDOFF, SOLDER LUG
Reliability IndicatorNOT ESTABLISHED
Body Width2.063 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Width1.438 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting Facility Quantity4 SINGLE GROUP
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Thread Quantity Per Inch32 SINGLE GROUP
Inductance TypeFIXED
Inductance Rating400.00 MILLIHENRIES MAXIMUM SINGLE COMPONENT SINGLE WINDING
Winding Operating Current600.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
DC Resistance Rating in Ohms11.000 SINGLE COMPONENT SINGLE WINDING
Winding Quantity1 SINGLE COMPONENT
Body Height3.125 INCHES NOMINAL IN
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Length1.688 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4730-00-549-47863630 INTERCHANGEABLE
Swing Joint,pipe
Hannay Reels Inc
Cross-Reference Index
Part NumberManufacturer
ST26103 Sterling Transformer Corp (USA)
22-639 Bae Systems Technology Solutions & Services Inc. (USA)
Related Parts
4730-00-549-4786INTERCHANGEABLE
SWING JOINT,PIPE
3630

Frequently Asked Questions

What is NSN 5950-00-877-7680?

NSN 5950-00-877-7680 is a Reactor, manufactured by Sterling Transformer Corp, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-877-7680?

NSN 5950-00-877-7680 has 2 cross-referenced part numbers: ST26103 (Sterling Transformer Corp), 22-639 (Bae Systems Technology Solutions & Services Inc.).

What NSN replaces 5950-00-877-7680?

There is 1 known substitute for 5950-00-877-7680: 4730-00-549-4786. Verify interchangeability with system specifications before substitution.

What are the specifications of ST26103?

Key specifications for ST26103: Rating Method: ELECTRICAL SINGLE COMPONENT SINGLE WINDING; Body Length: 2.313 INCHES NOMINAL IN; Inclosure Type: HERMETICALLY SEALED; Terminal Type and Quantity: 2 STANDOFF, SOLDER LUG. 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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