PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B7485523Reactor

General Electric Company · NSN 5950-00-645-9883 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-645-9883 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-645-9883. Primary manufacturer part number: B7485523.
Features
  • Reactor — FSC 5950
  • Inductance Rating: 50.00 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
  • Body Height: 2.937 INCHES MINIMUM AND 3.062 INCHES MAXIMUM IN
  • Winding Quantity: 1 SINGLE COMPONENT
  • Winding Operating Current: 800.0 AMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
  • Mounting Method: THREADED STUD(S) SINGLE GROUP
  • Body Length: 4.750 INCHES MINIMUM AND 4.875 INCHES MAXIMUM IN
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 2.125 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 5950-00-645-9883, 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 General Electric Company. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-645-9883
Primary Part NumberB7485523
Item NameReactor
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerGeneral Electric Company
StatusCANCELLED
Inductance Rating50.00 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
Body Height2.937 INCHES MINIMUM AND 3.062 INCHES MAXIMUM IN
Winding Quantity1 SINGLE COMPONENT
Winding Operating Current800.0 AMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Body Length4.750 INCHES MINIMUM AND 4.875 INCHES MAXIMUM IN
Center to Center Distance Between Mounting Facilities Parallel to Width2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Special Test Features1500V RMS TEST VOLTAGE V
DC Resistance Rating in Ohms1.000 SINGLE COMPONENT SINGLE WINDING
Center to Center Distance Between Mounting Facilities Parallel to Length2.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Terminal Type and Quantity2 SOLDER STUD
Mounting Facility Quantity4 SINGLE GROUP
Inclosure TypeHERMETICALLY SEALED
Inductance TypeFIXED
Body Width3.437 INCHES MINIMUM AND 3.562 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5330-00-004-711319878 INTERCHANGEABLE
Gasket
Norwalk Compreseer Company Inc Dba Norwalk Compressor Company
4730-00-287-3281127950 INTERCHANGEABLE
Plug,pipe
Rolls-Royce Solutions America Inc
4820-01-197-720619878 INTERCHANGEABLE
Stem,fluid Valve
Flowserve Inc
6105-01-198-738919878 INTERCHANGEABLE
Stator,motor
Kurz & Root Generator Company, Llc
3040-01-230-1422 INTERCHANGEABLE
Control Assembly,push-Pull
5950-01-245-265211881 INTERCHANGEABLE
Transformer,power
Sora Power Inc. Dba Sigma Division
Cross-Reference Index
Part NumberManufacturer
B7485523 General Electric Company (USA)
B7485523PT1 General Electric Company (USA)
19878 Magnetika Inc Div Magnetika/phillipsburg Location (USA)
B7485523 General Electric Co Electronic Components Division of Electronic Atomic and Defense Systems Group
19878 Opt Industries Inc Div of Electronika Inc (USA)
Related Parts
5330-00-004-7113INTERCHANGEABLE
GASKET
19878
4730-00-287-3281INTERCHANGEABLE
PLUG,PIPE
127950
4820-01-197-7206INTERCHANGEABLE
STEM,FLUID VALVE
19878
6105-01-198-7389INTERCHANGEABLE
STATOR,MOTOR
19878
3040-01-230-1422INTERCHANGEABLE
CONTROL ASSEMBLY,PUSH-PULL
5950-01-245-2652INTERCHANGEABLE
TRANSFORMER,POWER
11881

Frequently Asked Questions

What is NSN 5950-00-645-9883?

NSN 5950-00-645-9883 is a Reactor, manufactured by General Electric Company, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-645-9883?

NSN 5950-00-645-9883 has 5 cross-referenced part numbers: B7485523 (General Electric Company), B7485523PT1 (General Electric Company), 19878 (Magnetika Inc Div Magnetika/phillipsburg Location), B7485523 (General Electric Co Electronic Components Division of Electronic Atomic and Defense Systems Group), 19878 (Opt Industries Inc Div of Electronika Inc).

What NSN replaces 5950-00-645-9883?

There are 6 known substitutes for 5950-00-645-9883: 5330-00-004-7113, 4730-00-287-3281, 4820-01-197-7206 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B7485523?

Key specifications for B7485523: Inductance Rating: 50.00 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING; Body Height: 2.937 INCHES MINIMUM AND 3.062 INCHES MAXIMUM IN; Winding Quantity: 1 SINGLE COMPONENT; Winding Operating Current: 800.0 AMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-645-9883 still in active supply?

NSN 5950-00-645-9883 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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