PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

56-81173Reactor

Gte Products Corp Sylvania Miniature Lighting Div · NSN 5950-00-647-6619 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-647-6619 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-647-6619. Primary manufacturer part number: 56-81173.
Features
  • Reactor — FSC 5950
  • Inductance Type: FIXED
  • Inductance Rating: 15.00 HENRY NOMINAL SINGLE COMPONENT SINGLE WINDING
  • Body Height: 4.250 INCHES MAXIMUM IN
  • Terminal Type and Quantity: 2 STANDOFF, SOLDER LUG
  • Thread Quantity Per Inch: 32 SINGLE GROUP
  • Reliability Indicator: NOT ESTABLISHED
  • Winding Operating Current: 125.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Reactor, cataloged under National Stock Number 5950-00-647-6619, 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 Gte Products Corp Sylvania Miniature Lighting Div. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 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
NSN5950-00-647-6619
Primary Part Number56-81173
Item NameReactor
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerGte Products Corp Sylvania Miniature Lighting Div
StatusACTIVE
Inductance TypeFIXED
Inductance Rating15.00 HENRY NOMINAL SINGLE COMPONENT SINGLE WINDING
Body Height4.250 INCHES MAXIMUM IN
Terminal Type and Quantity2 STANDOFF, SOLDER LUG
Thread Quantity Per Inch32 SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Winding Operating Current125.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Inclosure TypeHERMETICALLY SEALED
Nominal Thread Size0.164 INCHES SINGLE GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Length2.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Length3.375 INCHES MAXIMUM IN
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDING
Winding Quantity1 SINGLE COMPONENT
DC Resistance Rating in Ohms210.000 SINGLE COMPONENT SINGLE WINDING
Mounting Facility Quantity4 SINGLE GROUP
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Width2.062 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Body Width2.938 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-268-73613597 INTERCHANGEABLE
Nut,plain,hexagon
Telemechanics Inc
5330-00-298-05463597 INTERCHANGEABLE
Seal,plain
Johns Manville Intl
2910-00-423-5745376675 INTERCHANGEABLE
Float,indicator
Capitol Engine Co, Inc Dba Salmini Worldwide
5950-00-726-2736 INTERCHANGEABLE
Coil,radio Frequency
5930-00-991-45292055-3 INTERCHANGEABLE
Switch,rotary
Janco Corporation Dba Janco Corp Div Mason Controls
2530-01-035-7207V2100525 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
Chrysler Realty Company Llc Dba Daimler Chrysler
1615-01-089-85783597 INTERCHANGEABLE
Chart,corrector
Honeywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div
7320-01-150-317020553 INTERCHANGEABLE
Cutter Assembly
Basic American Inc
4810-01-218-795120553 INTERCHANGEABLE
Valve,solenoid
Provision, Inc. Dba Provision Inc
5330-01-250-20833597 INTERCHANGEABLE
Gasket
Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris
Cross-Reference Index
Part NumberManufacturer
292-1649G Raytheon Company (USA)
292-1649G Raytheon Company Dba Raytheon Co (USA)
292-1649G Raytheon Company Div Corp (USA)
56-81173 PRIMARY Gte Products Corp Sylvania Miniature Lighting Div (USA)
L63622 Magnespec Inc (USA)
20553 PRIMARY Gte Products Corp Sylvania Miniature Lighting Div (USA)
L63622 Mte Corp Milwaukee Transformer Co (USA)
3597 Precision Electronics, Inc (USA)
Related Parts
5310-00-268-7361INTERCHANGEABLE
NUT,PLAIN,HEXAGON
3597
5330-00-298-0546INTERCHANGEABLE
SEAL,PLAIN
3597
2910-00-423-5745INTERCHANGEABLE
FLOAT,INDICATOR
376675
5950-00-726-2736INTERCHANGEABLE
COIL,RADIO FREQUENCY
5930-00-991-4529INTERCHANGEABLE
SWITCH,ROTARY
2055-3
2530-01-035-7207INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
V2100525
1615-01-089-8578INTERCHANGEABLE
CHART,CORRECTOR
3597
7320-01-150-3170INTERCHANGEABLE
CUTTER ASSEMBLY
20553
4810-01-218-7951INTERCHANGEABLE
VALVE,SOLENOID
20553
5330-01-250-2083INTERCHANGEABLE
GASKET
3597
4820-01-311-0954INTERCHANGEABLE
VALVE,CHECK
CPC25-15-V
4820-01-369-5146INTERCHANGEABLE
CAP,VALVE

Frequently Asked Questions

What is NSN 5950-00-647-6619?

NSN 5950-00-647-6619 is a Reactor, manufactured by Gte Products Corp Sylvania Miniature Lighting Div, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-647-6619?

NSN 5950-00-647-6619 has 8 cross-referenced part numbers: 292-1649G (Raytheon Company), 292-1649G (Raytheon Company Dba Raytheon Co), 292-1649G (Raytheon Company Div Corp), 56-81173 (Gte Products Corp Sylvania Miniature Lighting Div), L63622 (Magnespec Inc) and 3 more.

What NSN replaces 5950-00-647-6619?

There are 12 known substitutes for 5950-00-647-6619: 5310-00-268-7361, 5330-00-298-0546, 2910-00-423-5745 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 56-81173?

Key specifications for 56-81173: Inductance Type: FIXED; Inductance Rating: 15.00 HENRY NOMINAL SINGLE COMPONENT SINGLE WINDING; Body Height: 4.250 INCHES MAXIMUM IN; Terminal Type and Quantity: 2 STANDOFF, SOLDER LUG. 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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