PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

19521Reactor

Freed Transformer Co · NSN 5950-00-646-2928 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-646-2928 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-646-2928. Primary manufacturer part number: 19521.
Features
  • Reactor — FSC 5950
  • Body Length: 1.500 INCHES NOMINAL IN
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 1.062 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.062 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Inductance Type: FIXED
  • Winding Quantity: 1 SINGLE COMPONENT
  • Terminal Type and Quantity: 2 STANDOFF, SOLDER LUG
  • Reliability Indicator: NOT ESTABLISHED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Reactor, cataloged under National Stock Number 5950-00-646-2928, 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 14 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-646-2928
Primary Part Number19521
Item NameReactor
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerFreed Transformer Co
StatusACTIVE
Body Length1.500 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Width1.062 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Length1.062 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Inductance TypeFIXED
Winding Quantity1 SINGLE COMPONENT
Terminal Type and Quantity2 STANDOFF, SOLDER LUG
Reliability IndicatorNOT ESTABLISHED
Inductance Rating6.50 HENRY NOMINAL SINGLE COMPONENT SINGLE WINDING
Mounting MethodCLIP SINGLE GROUP
Body Width1.500 INCHES NOMINAL IN
Body Height2.312 INCHES NOMINAL IN
Winding Operating Current10.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Inclosure TypeHERMETICALLY SEALED
Mounting Facility Quantity4 SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
2810-00-331-6748 INTERCHANGEABLE
Lifter,valve
5110-00-764-4801 INTERCHANGEABLE
Pliers,diagonal Cutting
5820-00-918-4351 INTERCHANGEABLE
Ferrule
6930-01-080-73741952-1 INTERCHANGEABLE
Coupler,mode Select
Malwin Electronics Corp.
4820-01-206-423919521 INTERCHANGEABLE
Stem,fluid Valve
Flowserve Inc
6230-01-617-568719521 INTERCHANGEABLE
Flashlight
Uke Corporation Dba Uke Corp Div Mustafa T Uke & Alan K Uke Partners
Cross-Reference Index
Part NumberManufacturer
19521 PRIMARY Freed Transformer Co (USA)
Related Parts
2810-00-331-6748INTERCHANGEABLE
LIFTER,VALVE
5110-00-764-4801INTERCHANGEABLE
PLIERS,DIAGONAL CUTTING
5820-00-918-4351INTERCHANGEABLE
FERRULE
6930-01-080-7374INTERCHANGEABLE
COUPLER,MODE SELECT
1952-1
4820-01-206-4239INTERCHANGEABLE
STEM,FLUID VALVE
19521
6230-01-617-5687INTERCHANGEABLE
FLASHLIGHT
19521

Frequently Asked Questions

What is NSN 5950-00-646-2928?

NSN 5950-00-646-2928 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 5950-00-646-2928?

NSN 5950-00-646-2928 has 1 cross-referenced part number: 19521 (Freed Transformer Co).

What NSN replaces 5950-00-646-2928?

There are 6 known substitutes for 5950-00-646-2928: 2810-00-331-6748, 5110-00-764-4801, 5820-00-918-4351 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 19521?

Key specifications for 19521: Body Length: 1.500 INCHES NOMINAL IN; Center to Center Distance Between Mounting Facilities Parallel to Width: 1.062 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Center to Center Distance Between Mounting Facilities Parallel to Length: 1.062 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Inductance Type: FIXED. 15 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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