PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A51J9000-3Reactor

Northrop Grumman Systems Corporation · NSN 5950-00-258-6643 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-258-6643 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-258-6643. Primary manufacturer part number: A51J9000-3.
Features
  • Reactor — FSC 5950
  • Body Length: 0.500 INCHES NOMINAL IN
  • Mounting Hole Diameter: 0.119 INCHES MINIMUM AND 0.124 INCHES MAXIMUM SINGLE GROUP IN
  • Body Outside Diameter: 0.875 INCHES NOMINAL IN
  • Distance Between Mounting Facility Centers: 1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Winding Quantity: 1 SINGLE COMPONENT
  • Mounting Facility Quantity: 2 SINGLE GROUP
  • Mounting Method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Reactor, cataloged under National Stock Number 5950-00-258-6643, 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 Northrop Grumman Systems Corporation. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, 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
NSN5950-00-258-6643
Primary Part NumberA51J9000-3
Item NameReactor
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation
StatusACTIVE
Body Length0.500 INCHES NOMINAL IN
Mounting Hole Diameter0.119 INCHES MINIMUM AND 0.124 INCHES MAXIMUM SINGLE GROUP IN
Body Outside Diameter0.875 INCHES NOMINAL IN
Distance Between Mounting Facility Centers1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Quantity1 SINGLE COMPONENT
Mounting Facility Quantity2 SINGLE GROUP
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Terminal Type and Quantity2 TAB, SOLDER LUG
Inclosure TypeFULLY INCLOSED
Inductance TypeFIXED
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDING
Frequency Rating1.0 KILOHERTZ NOMINAL SINGLE COMPONENT
Winding Operating Current4.0 AMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Inductance Rating200.00 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5330-00-290-9442042325 INTERCHANGEABLE
Packing,preformed
Eaton Aerospace, Llc Dba Jackson South
5961-00-309-799342325 INTERCHANGEABLE
Transistor
Teac America, Inc
5962-01-088-983542325 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Div Rmd Strategic
5133-01-102-3330 INTERCHANGEABLE
Drill,twist
5998-01-147-8408 INTERCHANGEABLE
Extender Card,electronic Test
5999-01-200-6527 INTERCHANGEABLE
Heater,thermal Release
2910-01-255-4445 INTERCHANGEABLE
Pump,fuel,cam Actuated
2910-01-479-7862 INTERCHANGEABLE
Filter Element,fluid
6160-01-547-433311786 INTERCHANGEABLE
Filler Cap,battery
Aimpoint Inc Dba Aimpoint Inc
Cross-Reference Index
Part NumberManufacturer
A51J9000-3 Northrop Grumman Systems Corporation (USA)
A51J9000-3 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems (USA)
42325 Coast/advanced Chip Magnetics, Inc. (USA)
11786 Standex Electronics, Inc. (USA)
A51J9000-3 PRIMARY Northrop Grumman Systems Corporation (USA)
Related Parts
5330-00-290-9442INTERCHANGEABLE
PACKING,PREFORMED
042325
5961-00-309-7993INTERCHANGEABLE
TRANSISTOR
42325
5962-01-088-9835INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
42325
5133-01-102-3330INTERCHANGEABLE
DRILL,TWIST
5998-01-147-8408INTERCHANGEABLE
EXTENDER CARD,ELECTRONIC TEST
5999-01-200-6527INTERCHANGEABLE
HEATER,THERMAL RELEASE
2910-01-255-4445INTERCHANGEABLE
PUMP,FUEL,CAM ACTUATED
2910-01-479-7862INTERCHANGEABLE
FILTER ELEMENT,FLUID
6160-01-547-4333INTERCHANGEABLE
FILLER CAP,BATTERY
11786

Frequently Asked Questions

What is NSN 5950-00-258-6643?

NSN 5950-00-258-6643 is a Reactor, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-258-6643?

NSN 5950-00-258-6643 has 5 cross-referenced part numbers: A51J9000-3 (Northrop Grumman Systems Corporation), A51J9000-3 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems), 42325 (Coast/advanced Chip Magnetics, Inc.), 11786 (Standex Electronics, Inc.), A51J9000-3 (Northrop Grumman Systems Corporation).

What NSN replaces 5950-00-258-6643?

There are 9 known substitutes for 5950-00-258-6643: 5330-00-290-9442, 5961-00-309-7993, 5962-01-088-9835 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A51J9000-3?

Key specifications for A51J9000-3: Body Length: 0.500 INCHES NOMINAL IN; Mounting Hole Diameter: 0.119 INCHES MINIMUM AND 0.124 INCHES MAXIMUM SINGLE GROUP IN; Body Outside Diameter: 0.875 INCHES NOMINAL IN; Distance Between Mounting Facility Centers: 1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 15 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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