PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

948900-4Reactor

Raytheon Company Dba Raytheon · NSN 5950-01-020-6521 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-020-6521 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-020-6521. Primary manufacturer part number: 948900-4.
Features
  • Reactor — FSC 5950
  • Winding Quantity: 1 SINGLE COMPONENT
  • Inclosure Type: FULLY INCLOSED
  • Inductance Type: FIXED
  • Inductance Rating: 0.20 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
  • Terminal Type and Quantity: 2 TAB, SOLDER LUG
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
  • 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 5950-01-020-6521, 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 Raytheon Company Dba Raytheon. Government technical data includes 18 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-020-6521
Primary Part Number948900-4
Item NameReactor
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon
StatusACTIVE
Winding Quantity1 SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
Inductance TypeFIXED
Inductance Rating0.20 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
Terminal Type and Quantity2 TAB, SOLDER LUG
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Winding Operating Current700.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Frequency Rating10.0 KILOHERTZ NOMINAL SINGLE COMPONENT
Body Length0.734 INCHES NOMINAL IN
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDING
Thread Quantity Per Inch48 SINGLE GROUP
Body Height0.687 INCHES NOMINAL IN
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Nominal Thread Size0.099 INCHES SINGLE GROUP IN
Body Width0.375 INCHES NOMINAL IN
DC Resistance Rating in Ohms0.300 SINGLE COMPONENT SINGLE WINDING
Mounting Facility Quantity1 SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3020-00-186-62037054 INTERCHANGEABLE
Gear,spur
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5340-00-209-9352 INTERCHANGEABLE
Bumper
5930-00-258-5960B-5-4 INTERCHANGEABLE
Switch,pressure
Ellis & Watts International, Llc
5935-00-259-33197054 INTERCHANGEABLE
Connector,receptacle,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
2910-00-354-5028 INTERCHANGEABLE
Bowl,sediment
5821-00-410-1128FT222A INTERCHANGEABLE
Mounting Control Un
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3110-00-554-3232204S INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
4520-00-588-2389BMI1238-39 INTERCHANGEABLE
Heating Element,electrical,nonim
Bauer, Inc.
5331-00-864-87927054 INTERCHANGEABLE
O-Ring
Arvinmeritor Inc
6530-01-231-7291 INTERCHANGEABLE
Wrapper,sterilization
Cross-Reference Index
Part NumberManufacturer
948900-4 Raytheon Company Dba Raytheon (USA)
7054 Coast/advanced Chip Magnetics, Inc. (USA)
526-2840-030 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
Related Parts
3020-00-186-6203INTERCHANGEABLE
GEAR,SPUR
7054
5340-00-209-9352INTERCHANGEABLE
BUMPER
5930-00-258-5960INTERCHANGEABLE
SWITCH,PRESSURE
B-5-4
5935-00-259-3319INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
7054
2910-00-354-5028INTERCHANGEABLE
BOWL,SEDIMENT
5821-00-410-1128INTERCHANGEABLE
MOUNTING CONTROL UN
FT222A
3110-00-554-3232INTERCHANGEABLE
BEARING,BALL,ANNULAR
204S
4520-00-588-2389INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
BMI1238-39
5331-00-864-8792INTERCHANGEABLE
O-RING
7054
6530-01-231-7291INTERCHANGEABLE
WRAPPER,STERILIZATION
5905-01-314-8075INTERCHANGEABLE
RESISTOR NETWORK,FIXED,FILM
G326512-1
8145-01-563-8720INTERCHANGEABLE
CASE,TRANSIT
320000-FR

Frequently Asked Questions

What is NSN 5950-01-020-6521?

NSN 5950-01-020-6521 is a Reactor, manufactured by Raytheon Company Dba Raytheon, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-020-6521?

NSN 5950-01-020-6521 has 3 cross-referenced part numbers: 948900-4 (Raytheon Company Dba Raytheon), 7054 (Coast/advanced Chip Magnetics, Inc.), 526-2840-030 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).

What NSN replaces 5950-01-020-6521?

There are 12 known substitutes for 5950-01-020-6521: 3020-00-186-6203, 5340-00-209-9352, 5930-00-258-5960 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 948900-4?

Key specifications for 948900-4: Winding Quantity: 1 SINGLE COMPONENT; Inclosure Type: FULLY INCLOSED; Inductance Type: FIXED; Inductance Rating: 0.20 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING. 18 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com