PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R501Reactor

Viking Technologies, Ltd. · NSN 5950-00-088-0255 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-088-0255 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-088-0255. Primary manufacturer part number: R501.
Features
  • Reactor — FSC 5950
  • Turn Quantity: 531 SINGLE COMPONENT SINGLE WINDING
  • Inductance Type: FIXED
  • Terminal Type and Quantity: 2 WIRE LEAD
  • Winding Operating Current: 135.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
  • Inductance Rating: 1.00 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
  • Winding Conductor Size: 0.00500 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING IN
  • Winding Quantity: 1 SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Reactor, cataloged under National Stock Number 5950-00-088-0255, 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 Viking Technologies, Ltd.. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-088-0255
Primary Part NumberR501
Item NameReactor
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerViking Technologies, Ltd.
StatusCANCELLED
Turn Quantity531 SINGLE COMPONENT SINGLE WINDING
Inductance TypeFIXED
Terminal Type and Quantity2 WIRE LEAD
Winding Operating Current135.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Inductance Rating1.00 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
Winding Conductor Size0.00500 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING IN
Winding Quantity1 SINGLE COMPONENT
DC Resistance Rating in Ohms23.000 SINGLE COMPONENT SINGLE WINDING
Body Length1.000 INCHES NOMINAL IN
Body Outside Diameter0.469 INCHES NOMINAL IN
Mounting MethodTERMINAL SINGLE GROUP
Inclosure TypeFULLY INCLOSED
Rating MethodELECTRICAL AND WINDING TURNS SINGLE COMPONENT SINGLE WINDING
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5985-00-110-825932-87848-3 INTERCHANGEABLE
Coupler,directional
The Boeing Company Div Defense
6625-00-376-1630C1237AARC27 INTERCHANGEABLE
Control Unit,test S
Joint Electronics Type Designation System
5905-01-074-17505165 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Sensor Systems, L.l.c. Dba Sensor Systems Llc
4820-01-106-5475R-501 INTERCHANGEABLE
Valve,flow Control
Clippard Instrument Laboratory Inc
5820-01-400-1774R501 INTERCHANGEABLE
Receiver,radio
Northrop Grumman Systems Corporation
Cross-Reference Index
Part NumberManufacturer
9157348 Us Army Aviation and Missile Command (USA)
R501 PRIMARY Viking Technologies, Ltd. (USA)
R50-1 Dar Electronics Inc Dba National Radio Co (USA)
R501 National Coil Co (USA)
R501 Strux Corp (USA)
R50-1 Strux Corp (USA)
R501 Dar Electronics Inc Commercial Products Div Dba National Radio Co (USA)
Related Parts
5985-00-110-8259INTERCHANGEABLE
COUPLER,DIRECTIONAL
32-87848-3
6625-00-376-1630INTERCHANGEABLE
CONTROL UNIT,TEST S
C1237AARC27
5905-01-074-1750INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
5165
4820-01-106-5475INTERCHANGEABLE
VALVE,FLOW CONTROL
R-501
5820-01-400-1774INTERCHANGEABLE
RECEIVER,RADIO
R501

Frequently Asked Questions

What is NSN 5950-00-088-0255?

NSN 5950-00-088-0255 is a Reactor, manufactured by Viking Technologies, Ltd., classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-088-0255?

NSN 5950-00-088-0255 has 7 cross-referenced part numbers: 9157348 (Us Army Aviation and Missile Command), R501 (Viking Technologies, Ltd.), R50-1 (Dar Electronics Inc Dba National Radio Co), R501 (National Coil Co), R501 (Strux Corp) and 2 more.

What NSN replaces 5950-00-088-0255?

There are 5 known substitutes for 5950-00-088-0255: 5985-00-110-8259, 6625-00-376-1630, 5905-01-074-1750 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of R501?

Key specifications for R501: Turn Quantity: 531 SINGLE COMPONENT SINGLE WINDING; Inductance Type: FIXED; Terminal Type and Quantity: 2 WIRE LEAD; Winding Operating Current: 135.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-088-0255 still in active supply?

NSN 5950-00-088-0255 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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