PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T521Reactor

Electronic Transformer Corp Div Electronic Transformer Corporation · NSN 5950-00-235-7114 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-235-7114 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-235-7114. Primary manufacturer part number: T521.
Features
  • Reactor — FSC 5950
  • Winding Operating Current: 60.0 MILLIAMPERES DC MINIMUM AND 500.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
  • Body Height: 6.375 INCHES NOMINAL IN
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 5.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Inclosure Type: FULLY INCLOSED
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 4.312 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Winding Quantity: 1 SINGLE COMPONENT
  • Mounting Method: UNTHREADED HOLE(S) SINGLE GROUP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Reactor, cataloged under National Stock Number 5950-00-235-7114, 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 Electronic Transformer Corp Div Electronic Transformer Corporation. Government technical data includes 16 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-235-7114
Primary Part NumberT521
Item NameReactor
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerElectronic Transformer Corp Div Electronic Transformer Corporation
StatusACTIVE
Winding Operating Current60.0 MILLIAMPERES DC MINIMUM AND 500.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Body Height6.375 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Length5.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Inclosure TypeFULLY INCLOSED
Center to Center Distance Between Mounting Facilities Parallel to Width4.312 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Quantity1 SINGLE COMPONENT
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Body Length6.312 INCHES NOMINAL IN
Terminal Type and Quantity2 TAB, SOLDER LUG
Inductance TypeSWINGING
DC Resistance Rating in Ohms90.000 SINGLE COMPONENT SINGLE WINDING
Body Width5.188 INCHES NOMINAL IN
Mounting Facility Quantity8 SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Inductance Rating6.00 HENRY MINIMUM AND 26.00 HENRY MAXIMUM SINGLE COMPONENT SINGLE WINDING
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
8040-00-066-0694XL-8 1QT INTERCHANGEABLE
Adhesive
R H Products Inc
5962-00-222-3353511803-1 INTERCHANGEABLE
Microcircuit,linear
L3harris Technologies, Inc. Dba Harris Corporation
5120-00-439-82705120-00-439-8270 INTERCHANGEABLE
Bit,screwdriver
General Services Administration Federal Supply Service
1560-00-625-186447-360-189-1 INTERCHANGEABLE
Window Panel,aircraft
Bell Textron Inc
5950-00-920-7958 INTERCHANGEABLE
Transformer
5310-01-177-8037XL-8 INTERCHANGEABLE
Piston,rod Nut
Circor Naval Solutions Llc Dba Warren Pumps
4520-01-602-5249XL 8 INTERCHANGEABLE
Heating Element
Excel Dryer, Inc.
Cross-Reference Index
Part NumberManufacturer
T521 PRIMARY Electronic Transformer Corp Div Electronic Transformer Corporation (USA)
XL8 Rca Corp Government and Commercial Systems Commercial Commications Systems Div (USA)
Related Parts
8040-00-066-0694INTERCHANGEABLE
ADHESIVE
XL-8 1QT
5962-00-222-3353INTERCHANGEABLE
MICROCIRCUIT,LINEAR
511803-1
5120-00-439-8270INTERCHANGEABLE
BIT,SCREWDRIVER
5120-00-439-8270
1560-00-625-1864INTERCHANGEABLE
WINDOW PANEL,AIRCRAFT
47-360-189-1
5950-00-920-7958INTERCHANGEABLE
TRANSFORMER
5310-01-177-8037INTERCHANGEABLE
PISTON,ROD NUT
XL-8
4520-01-602-5249INTERCHANGEABLE
HEATING ELEMENT
XL 8

Frequently Asked Questions

What is NSN 5950-00-235-7114?

NSN 5950-00-235-7114 is a Reactor, manufactured by Electronic Transformer Corp Div Electronic Transformer Corporation, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-235-7114?

NSN 5950-00-235-7114 has 2 cross-referenced part numbers: T521 (Electronic Transformer Corp Div Electronic Transformer Corporation), XL8 (Rca Corp Government and Commercial Systems Commercial Commications Systems Div).

What NSN replaces 5950-00-235-7114?

There are 7 known substitutes for 5950-00-235-7114: 8040-00-066-0694, 5962-00-222-3353, 5120-00-439-8270 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T521?

Key specifications for T521: Winding Operating Current: 60.0 MILLIAMPERES DC MINIMUM AND 500.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING; Body Height: 6.375 INCHES NOMINAL IN; Center to Center Distance Between Mounting Facilities Parallel to Length: 5.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Inclosure Type: FULLY INCLOSED. 16 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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