PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

14990Reactor

Emerson Electric Co White-Rodgers Div · NSN 5950-00-156-6977 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-156-6977 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-156-6977. Primary manufacturer part number: 14990.
Features
  • Reactor — FSC 5950
  • Body Height: 2.507 INCHES NOMINAL IN
  • Inductance Rating: 15.00 HENRY MAXIMUM SINGLE COMPONENT SINGLE WINDING
  • Rating Method: ELECTRICAL SINGLE COMPONENT SINGLE WINDING
  • Nominal Thread Size: 0.164 INCHES SINGLE GROUP IN
  • Winding Quantity: 1 SINGLE COMPONENT
  • Reliability Indicator: NOT ESTABLISHED
  • Body Length: 1.891 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Reactor, cataloged under National Stock Number 5950-00-156-6977, 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 Emerson Electric Co White-Rodgers Div. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-156-6977
Primary Part Number14990
Item NameReactor
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerEmerson Electric Co White-Rodgers Div
StatusACTIVE
Body Height2.507 INCHES NOMINAL IN
Inductance Rating15.00 HENRY MAXIMUM SINGLE COMPONENT SINGLE WINDING
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDING
Nominal Thread Size0.164 INCHES SINGLE GROUP IN
Winding Quantity1 SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Body Length1.891 INCHES NOMINAL IN
Winding Operating Current35.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Mounting Facility Quantity4 SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Width1.344 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Inductance TypeFIXED
Inclosure TypeHERMETICALLY SEALED
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Length1.344 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Width1.891 INCHES NOMINAL IN
Terminal Type and Quantity2 STANDOFF, SOLDER LUG
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Thread Quantity Per Inch32 SINGLE GROUP
DC Resistance Rating in Ohms350.000 SINGLE COMPONENT SINGLE WINDING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
6685-00-075-6868 INTERCHANGEABLE
Thermometer,self-Indicating
5330-00-098-480514990 INTERCHANGEABLE
Gasket
Boeing Distribution Services X, Inc.
5330-00-179-099014990 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5315-00-194-322614990 INTERCHANGEABLE
Pin,straight,headless
Eaton Aerospace Llc Div Fluid and Electrical Distribution Division
2940-00-843-9824FT1015 INTERCHANGEABLE
Filter Element,fluid
Honeywell International Inc Dba Honeywell Div Consumer Products Group
5950-01-451-003214990 INTERCHANGEABLE
Coil,electrical
Standex Electronics, Inc.
4320-01-458-8363 INTERCHANGEABLE
Slinger,pump,centri
4240-01-492-2955 INTERCHANGEABLE
Helmet,welder's
5340-01-669-9550B43-BB-4 INTERCHANGEABLE
Mount,resilient,utility
Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp
Cross-Reference Index
Part NumberManufacturer
14990 Emerson Electric Co White-Rodgers Div (USA)
Related Parts
6685-00-075-6868INTERCHANGEABLE
THERMOMETER,SELF-INDICATING
5330-00-098-4805INTERCHANGEABLE
GASKET
14990
5330-00-179-0990INTERCHANGEABLE
SEAL,PLAIN ENCASED
14990
5315-00-194-3226INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
14990
2940-00-843-9824INTERCHANGEABLE
FILTER ELEMENT,FLUID
FT1015
5950-01-451-0032INTERCHANGEABLE
COIL,ELECTRICAL
14990
4320-01-458-8363INTERCHANGEABLE
SLINGER,PUMP,CENTRI
4240-01-492-2955INTERCHANGEABLE
HELMET,WELDER'S
5340-01-669-9550INTERCHANGEABLE
MOUNT,RESILIENT,UTILITY
B43-BB-4

Frequently Asked Questions

What is NSN 5950-00-156-6977?

NSN 5950-00-156-6977 is a Reactor, manufactured by Emerson Electric Co White-Rodgers Div, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-156-6977?

NSN 5950-00-156-6977 has 1 cross-referenced part number: 14990 (Emerson Electric Co White-Rodgers Div).

What NSN replaces 5950-00-156-6977?

There are 9 known substitutes for 5950-00-156-6977: 6685-00-075-6868, 5330-00-098-4805, 5330-00-179-0990 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 14990?

Key specifications for 14990: Body Height: 2.507 INCHES NOMINAL IN; Inductance Rating: 15.00 HENRY MAXIMUM SINGLE COMPONENT SINGLE WINDING; Rating Method: ELECTRICAL SINGLE COMPONENT SINGLE WINDING; Nominal Thread Size: 0.164 INCHES SINGLE 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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