PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

890518Reactor-Transformer

Bae Systems Information and Electronic Systems Integration Inc. · NSN 5950-00-722-8141 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-722-8141 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-722-8141. Primary manufacturer part number: 890518.
Features
  • Reactor-Transformer — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SECOND COMPONENT
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SECOND GROUP
  • Inclosure Type: HERMETICALLY SEALED
  • Winding Operating Voltage: 113.00 AC VOLTS NOMINAL SECOND COMPONENT SINGLE PRIMARY
  • Mounting Facility Quantity: 1 SECOND GROUP
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 1.406 INCHES NOMINAL FIRST MOUNTING FACILITY SINGLE CENTER GROUP IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Reactor-Transformer, cataloged under National Stock Number 5950-00-722-8141, 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 Bae Systems Information and Electronic Systems Integration Inc.. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN5950-00-722-8141
Primary Part Number890518
Item NameReactor-Transformer
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerBae Systems Information and Electronic Systems Integration Inc.
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SECOND COMPONENT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SECOND GROUP
Inclosure TypeHERMETICALLY SEALED
Winding Operating Voltage113.00 AC VOLTS NOMINAL SECOND COMPONENT SINGLE PRIMARY
Mounting Facility Quantity1 SECOND GROUP
Center to Center Distance Between Mounting Facilities Parallel to Width1.406 INCHES NOMINAL FIRST MOUNTING FACILITY SINGLE CENTER GROUP IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SECOND COMPONENT
Winding Operating Voltage6.00 AC VOLTS MINIMUM AND 2.22 AC KILOVOLTS MAXIMUM SECOND COMPONENT SINGLE SECONDARY
Mounting MethodTHREADED HOLE(S) SECOND GROUP
Mounting Hole Diameter0.203 INCHES NOMINAL FIRST GROUP IN
Frequency Rating320.0 HERTZ MINIMUM AND 480.0 HERTZ MAXIMUM ALL COMPONENTS
Mounting MethodUNTHREADED HOLE(S) FIRST GROUP
Terminal Type and Quantity9 SOLDER STUD
Winding Operating Current1.0 AMPERES DC MAXIMUM FIRST COMPONENT SINGLE WINDING
Mounting Facility Quantity4 FIRST GROUP
Rating MethodELECTRICAL FIRST COMPONENT SINGLE WINDING
Inductance Rating11.00 HENRY NOMINAL FIRST COMPONENT SINGLE WINDING
Center to Center Distance Between Mounting Facilities Parallel to Length2.125 INCHES NOMINAL FIRST MOUNTING FACILITY SINGLE CENTER GROUP IN
Nominal Thread Size0.112 INCHES SECOND GROUP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5310-00-148-474338375 INTERCHANGEABLE
Washer,flat
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
4820-00-491-499738375 INTERCHANGEABLE
Disk,valve
The Walworth Company
5330-00-587-9590 INTERCHANGEABLE
Gasket
Cross-Reference Index
Part NumberManufacturer
890518 Bae Systems Information and Electronic Systems Integration Inc. (USA)
PEI 6864 Precision Electronics, Inc (USA)
38375 Freed Transformer Co (USA)
Related Parts
5310-00-148-4743INTERCHANGEABLE
WASHER,FLAT
38375
4820-00-491-4997INTERCHANGEABLE
DISK,VALVE
38375
5330-00-587-9590INTERCHANGEABLE
GASKET

Frequently Asked Questions

What is NSN 5950-00-722-8141?

NSN 5950-00-722-8141 is a Reactor-Transformer, manufactured by Bae Systems Information and Electronic Systems Integration Inc., classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-722-8141?

NSN 5950-00-722-8141 has 3 cross-referenced part numbers: 890518 (Bae Systems Information and Electronic Systems Integration Inc.), PEI 6864 (Precision Electronics, Inc), 38375 (Freed Transformer Co).

What NSN replaces 5950-00-722-8141?

There are 3 known substitutes for 5950-00-722-8141: 5310-00-148-4743, 4820-00-491-4997, 5330-00-587-9590. Verify interchangeability with system specifications before substitution.

What are the specifications of 890518?

Key specifications for 890518: Reliability Indicator: NOT ESTABLISHED; Overall Length: 3.780 INCHES MAXIMUM IN; Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SECOND COMPONENT; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SECOND GROUP. 23 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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