PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18557Reactor

Vanguard Electronics, Llc · NSN 5950-00-346-2826 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-346-2826 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-346-2826. Primary manufacturer part number: 18557.
Features
  • Reactor — FSC 5950
  • Winding Quantity: 1 SINGLE COMPONENT
  • Maximum Operating Temp: 105.0 CELSIUS DEGC
  • Inductance Type: FIXED
  • Mounting Method: TERMINAL SINGLE GROUP
  • Inductance Rating: 20.00 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
  • Body Length: 0.400 INCHES MAXIMUM IN
  • Terminal Type and Quantity: 2 WIRE LEAD
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Reactor, cataloged under National Stock Number 5950-00-346-2826, 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 Vanguard Electronics, Llc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 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
NSN5950-00-346-2826
Primary Part Number18557
Item NameReactor
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerVanguard Electronics, Llc
StatusACTIVE
Winding Quantity1 SINGLE COMPONENT
Maximum Operating Temp105.0 CELSIUS DEGC
Inductance TypeFIXED
Mounting MethodTERMINAL SINGLE GROUP
Inductance Rating20.00 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
Body Length0.400 INCHES MAXIMUM IN
Terminal Type and Quantity2 WIRE LEAD
Body Outside Diameter0.830 INCHES MAXIMUM IN
Inclosure TypeFULLY INCLOSED
Turn Quantity375 SINGLE COMPONENT SINGLE WINDING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5306-00-038-1956 INTERCHANGEABLE
Bolt,machine
5930-00-222-7300257831-F4 INTERCHANGEABLE
Switch,rotary
Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch
5950-00-518-108018557 INTERCHANGEABLE
Reactor
Freed Transformer Co
6145-00-805-3368 INTERCHANGEABLE
Wire,electrical
3110-00-866-419610068338 INTERCHANGEABLE
Bearing,ball,annular
Kingsbury, Inc. Dba Messinger Bearings Div Messinger Bearings
5910-00-945-427018557-1MFD INTERCHANGEABLE
Capacitor
Thales Security Systems Uk Limited
4130-01-459-360618557 INTERCHANGEABLE
Vacu-Discs
Dcm Clean Air Products, Inc.
Cross-Reference Index
Part NumberManufacturer
122677-1 Cubic Defense Applications, Inc. (USA)
WE2466 Wems Electronics Transformer Group (USA)
18557 PRIMARY Vanguard Electronics, Llc (USA)
WE2466 PRIMARY Magnetika Inc (USA)
95518 Harder Donald C Co Inc (USA)
Related Parts
5306-00-038-1956INTERCHANGEABLE
BOLT,MACHINE
5930-00-222-7300INTERCHANGEABLE
SWITCH,ROTARY
257831-F4
5950-00-518-1080INTERCHANGEABLE
REACTOR
18557
6145-00-805-3368INTERCHANGEABLE
WIRE,ELECTRICAL
3110-00-866-4196INTERCHANGEABLE
BEARING,BALL,ANNULAR
10068338
5910-00-945-4270INTERCHANGEABLE
CAPACITOR
18557-1MFD
4130-01-459-3606INTERCHANGEABLE
VACU-DISCS
18557

Frequently Asked Questions

What is NSN 5950-00-346-2826?

NSN 5950-00-346-2826 is a Reactor, manufactured by Vanguard Electronics, Llc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-346-2826?

NSN 5950-00-346-2826 has 5 cross-referenced part numbers: 122677-1 (Cubic Defense Applications, Inc.), WE2466 (Wems Electronics Transformer Group), 18557 (Vanguard Electronics, Llc), WE2466 (Magnetika Inc), 95518 (Harder Donald C Co Inc).

What NSN replaces 5950-00-346-2826?

There are 7 known substitutes for 5950-00-346-2826: 5306-00-038-1956, 5930-00-222-7300, 5950-00-518-1080 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18557?

Key specifications for 18557: Winding Quantity: 1 SINGLE COMPONENT; Maximum Operating Temp: 105.0 CELSIUS DEGC; Inductance Type: FIXED; Mounting Method: TERMINAL SINGLE GROUP. 10 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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