PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

986279-1BReactor

Raytheon Company Dba Raytheon · NSN 5950-01-123-1478 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-123-1478 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-123-1478. Primary manufacturer part number: 986279-1B.
Features
  • Reactor — FSC 5950
  • Body Width: 0.880 INCHES MAXIMUM IN
  • DC Resistance Rating in Ohms: 1.000 SINGLE COMPONENT SINGLE WINDING
  • Inductance Type: FIXED
  • Distance Between Mounting Facility Centers: 0.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Body Height: 0.560 INCHES MAXIMUM IN
  • Inclosure Type: FULLY INCLOSED
  • 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 5950-01-123-1478, 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 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-123-1478
Primary Part Number986279-1B
Item NameReactor
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon
StatusACTIVE
Body Width0.880 INCHES MAXIMUM IN
DC Resistance Rating in Ohms1.000 SINGLE COMPONENT SINGLE WINDING
Inductance TypeFIXED
Distance Between Mounting Facility Centers0.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Height0.560 INCHES MAXIMUM IN
Inclosure TypeFULLY INCLOSED
Reliability IndicatorNOT ESTABLISHED
Winding Operating Current1.25 AMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Body Length1.000 INCHES MAXIMUM IN
Nominal Thread Size0.112 INCHES SINGLE GROUP IN
Maximum Operating Temp130.0 CELSIUS DEGC
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDING
Terminal Type and Quantity2 PIN
Frequency Rating10.0 KILOHERTZ NOMINAL SINGLE COMPONENT
Mounting Facility Quantity2 SINGLE GROUP
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Inductance Rating0.90 MILLIHENRIES MINIMUM SINGLE COMPONENT SINGLE WINDING
Winding Quantity1 SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
2810-00-048-6370 INTERCHANGEABLE
Ring,piston
3110-00-156-3444FS88501-1V1 INTERCHANGEABLE
Bearing,ball,annular
Schatz Bearing Corporation Dba Schatz Bearing Corp
4820-00-399-287742974 INTERCHANGEABLE
Seat,valve
Spirax Sarco Inc Dba Spirax Sarco
7610-01-284-5616 INTERCHANGEABLE
Book
5365-01-290-631942974 INTERCHANGEABLE
Spacer,ring
Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division
Cross-Reference Index
Part NumberManufacturer
862045 Raytheon Company Dba Raytheon (USA)
WE3361 Wems Electronics Transformer Group (USA)
10132772 Nimikkeistokeskus Ncb Finland (FIN)
C14710 Electronic Transformer Corp Div Electronic Transformer Corporation (USA)
WE3361 Magnetika Inc (USA)
42974 Coast/advanced Chip Magnetics, Inc. (USA)
18762 Robert M. Hadley Company, Inc. (USA)
315-18048-01 Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems (USA)
986279-1B Berkshire Transformer (USA)
986279-1B PRIMARY Raytheon Company Dba Raytheon (USA)
Related Parts
2810-00-048-6370INTERCHANGEABLE
RING,PISTON
3110-00-156-3444INTERCHANGEABLE
BEARING,BALL,ANNULAR
FS88501-1V1
4820-00-399-2877INTERCHANGEABLE
SEAT,VALVE
42974
7610-01-284-5616INTERCHANGEABLE
BOOK
5365-01-290-6319INTERCHANGEABLE
SPACER,RING
42974

Frequently Asked Questions

What is NSN 5950-01-123-1478?

NSN 5950-01-123-1478 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 5950-01-123-1478?

NSN 5950-01-123-1478 has 10 cross-referenced part numbers: 862045 (Raytheon Company Dba Raytheon), WE3361 (Wems Electronics Transformer Group), 10132772 (Nimikkeistokeskus Ncb Finland), C14710 (Electronic Transformer Corp Div Electronic Transformer Corporation), WE3361 (Magnetika Inc) and 5 more.

What NSN replaces 5950-01-123-1478?

There are 5 known substitutes for 5950-01-123-1478: 2810-00-048-6370, 3110-00-156-3444, 4820-00-399-2877 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 986279-1B?

Key specifications for 986279-1B: Body Width: 0.880 INCHES MAXIMUM IN; DC Resistance Rating in Ohms: 1.000 SINGLE COMPONENT SINGLE WINDING; Inductance Type: FIXED; Distance Between Mounting Facility Centers: 0.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 19 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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