PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1023803Reactor

Lockheed Martin Corporation Div Rms - Mitchel Field · NSN 5950-00-954-3059 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-954-3059 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-954-3059. Primary manufacturer part number: 1023803.
Features
  • Reactor — FSC 5950
  • Inclosure Type: HERMETICALLY SEALED
  • Body Length: 1.532 INCHES NOMINAL IN
  • Inductance Rating: 5.00 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
  • Nominal Thread Size: 0.138 INCHES SINGLE GROUP IN
  • Terminal Type and Quantity: 2 STANDOFF INSULATOR
  • Reliability Indicator: NOT ESTABLISHED
  • Rating Method: ELECTRICAL 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 5950-00-954-3059, 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 Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 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
NSN5950-00-954-3059
Primary Part Number1023803
Item NameReactor
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms - Mitchel Field
StatusACTIVE
Inclosure TypeHERMETICALLY SEALED
Body Length1.532 INCHES NOMINAL IN
Inductance Rating5.00 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Terminal Type and Quantity2 STANDOFF INSULATOR
Reliability IndicatorNOT ESTABLISHED
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDING
Mounting Facility Quantity4 SINGLE GROUP
DC Resistance Rating in Ohms540.000 SINGLE COMPONENT SINGLE WINDING
Body Height2.312 INCHES NOMINAL IN
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Body Width1.532 INCHES NOMINAL IN
Inductance TypeFIXED
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Winding Quantity1 SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Width1.032 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Length1.032 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Winding Operating Current300.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5342-00-090-307553-61 INTERCHANGEABLE
Bracket
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
5330-00-097-9057S-15406-501 INTERCHANGEABLE
Seal,nonmetallic Special Shaped
Kirkhill, Inc. Dba Kirkhill Inc
3110-00-142-4335B543SD610 INTERCHANGEABLE
Bearing,ball,airframe
New Hampshire Ball Bearings Inc Div Hitech Division
5331-00-166-0963M83248/1-006 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5930-00-201-4427 INTERCHANGEABLE
Switch,thermostatic
5330-00-224-839501859AB1 INTERCHANGEABLE
Gasket
Cnh Industrial America Llc Dba Cnh America
7510-00-286-17161764 INTERCHANGEABLE
Ink,duplicating Machine Stencil
Abd Intl Inc Dba Abdick
5330-00-399-69661766 INTERCHANGEABLE
Gasket
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
5120-00-443-10715361 INTERCHANGEABLE
Disassembly Tool,va
Eaton Aerospace, Llc Dba Jackson South
5950-00-558-4392 INTERCHANGEABLE
Transformer,power
Cross-Reference Index
Part NumberManufacturer
1766 Agilent Technologies, Inc. Div Agilent Technologies Headquarters (USA)
1023803 PRIMARY Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
2115629 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
E11144 Electro Engineering Works Inc (USA)
1766 Hewlett-Packard Co Mfg Div (USA)
A7078 Autodyne Manufacturing Co Inc (USA)
5361 Precision Electronics, Inc (USA)
Related Parts
5342-00-090-3075INTERCHANGEABLE
BRACKET
53-61
5330-00-097-9057INTERCHANGEABLE
SEAL,NONMETALLIC SPECIAL SHAPED
S-15406-501
3110-00-142-4335INTERCHANGEABLE
BEARING,BALL,AIRFRAME
B543SD610
5331-00-166-0963INTERCHANGEABLE
O-RING
M83248/1-006
5930-00-201-4427INTERCHANGEABLE
SWITCH,THERMOSTATIC
5330-00-224-8395INTERCHANGEABLE
GASKET
01859AB1
7510-00-286-1716INTERCHANGEABLE
INK,DUPLICATING MACHINE STENCIL
1764
5330-00-399-6966INTERCHANGEABLE
GASKET
1766
5120-00-443-1071INTERCHANGEABLE
DISASSEMBLY TOOL,VA
5361
5950-00-558-4392INTERCHANGEABLE
TRANSFORMER,POWER
5930-00-615-9376INTERCHANGEABLE
SWITCH,TOGGLE
5950-00-681-2996INTERCHANGEABLE
REACTOR
1857568

Frequently Asked Questions

What is NSN 5950-00-954-3059?

NSN 5950-00-954-3059 is a Reactor, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-954-3059?

NSN 5950-00-954-3059 has 7 cross-referenced part numbers: 1766 (Agilent Technologies, Inc. Div Agilent Technologies Headquarters), 1023803 (Lockheed Martin Corporation Div Rms - Mitchel Field), 2115629 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), E11144 (Electro Engineering Works Inc), 1766 (Hewlett-Packard Co Mfg Div) and 2 more.

What NSN replaces 5950-00-954-3059?

There are 12 known substitutes for 5950-00-954-3059: 5342-00-090-3075, 5330-00-097-9057, 3110-00-142-4335 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1023803?

Key specifications for 1023803: Inclosure Type: HERMETICALLY SEALED; Body Length: 1.532 INCHES NOMINAL IN; Inductance Rating: 5.00 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING; Nominal Thread Size: 0.138 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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