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NSN 5950-00-189-3097Government record, cited
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Reactor5950-00-189-3097

NSN 5950-00-189-3097 · NIIN 001893097 · Part number 1M129-1
Northrop Grumman Corp Electronic Systems Defensive System Div · FSC 5950 — Coils and Transformers · FSG 59 — Electrical and Electronic Equipment Components · CAGE 22915
Government record, cited
NSN 5950-00-189-3097 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-189-3097. Manufacturer of record part number: 1M129-1.
Also searched as  5950-00-189-3097 · 5950001893097 · NIIN 001893097 · 00-189-3097 · FSC 5950 Coils and Transformers · CAGE 22915 · 1M129-1 · 12511 · 12511
Nearby stock numbers  ·
Features
  • Reactor — FSC 5950
  • Mounting Facility Quantity: 2 SINGLE GROUP
  • Inclosure Type: HERMETICALLY SEALED
  • Mounting Method: THREADED HOLE(S) SINGLE GROUP
  • Inductance Rating: 16.50 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
  • Body Width: 1.000 INCHES MAXIMUM IN
  • Body Height: 1.125 INCHES MAXIMUM IN
  • Distance Between Mounting Facility Centers: 1.200 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Identification
  • NSN: 5950-00-189-3097
  • NIIN: 001893097
  • FSC: 5950 — Coils and Transformers
  • FSG: 59 — Electrical and Electronic Equipment Components
  • Primary part number: 1M129-1
  • Manufacturer: Northrop Grumman Corp Electronic Systems Defensive System Div
General Description

The Reactor, cataloged under National Stock Number 5950-00-189-3097, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Northrop Grumman Corp Electronic Systems Defensive System Div. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 11 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-189-3097
Primary Part Number1M129-1
Item NameReactor
FSC / FSG5950 / 59 — Coils and Transformers
ManufacturerNorthrop Grumman Corp Electronic Systems Defensive System Div
StatusACTIVE
Mounting Facility Quantity2 SINGLE GROUP
Inclosure TypeHERMETICALLY SEALED
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Inductance Rating16.50 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
Body Width1.000 INCHES MAXIMUM IN
Body Height1.125 INCHES MAXIMUM IN
Distance Between Mounting Facility Centers1.200 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Nominal Thread Size0.112 INCHES SINGLE GROUP IN
Body Length1.500 INCHES MAXIMUM IN
Winding Operating Current400.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDING
DC Resistance Rating in Ohms1.000 SINGLE COMPONENT SINGLE WINDING
Reliability IndicatorNOT ESTABLISHED
Winding Quantity1 SINGLE COMPONENT
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Thread Quantity Per Inch40 SINGLE GROUP
Terminal Type and Quantity2 WIRE HOOK
Inductance TypeFIXED
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardPossible hazard — SDS may be required (DLA HMIC P)
Criticality CodeX
⇄ Related Items 11
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5935-00-430-6319125-1-1 POSSIBLE MATCH
CONNECTOR,PLUG,ELECTRICAL
Possible match (shared part number)Winchester Interconnect Corporation
5315-00-436-98861M1291 POSSIBLE MATCH
PIN,STRAIGHT,HEADLESS
Possible match (shared part number)Caterpillar Inc Div Caterpillar Defense
1680-00-515-483612363-1A POSSIBLE MATCH
ACTUATOR,ELECTROMECHANICAL,ROTAR
Possible match (shared part number)Honeywell Intl Inc Defense Avionics Systems
5330-00-770-57861193740 POSSIBLE MATCH
RETAINER,PACKING
Possible match (shared part number)Chrysler Realty Company Llc Dba Daimler Chrysler
2940-01-024-0889125-11 POSSIBLE MATCH
FILTER ELEMENT,INTAKE AIR CLEANE
Possible match (shared part number)Stone Construction Equipment, Inc.
6515-01-103-4304 POSSIBLE MATCH
BONE PLATE
Possible match (shared part number)
5310-01-143-645612511 POSSIBLE MATCH
WASHER,LOCK
Possible match (shared part number)Marco Seattle Inc Dba Marco
5930-01-196-47741251100 POSSIBLE MATCH
SWITCH,THERMOSTATIC
Possible match (shared part number)Phoenix Products Llc Dba Phoenix Lighting Products Llc
2815-01-265-259812511 POSSIBLE MATCH
VALVE,POPPET,ENGINE
Possible match (shared part number)Westerbeke Corporation
3020-01-424-403312511 POSSIBLE MATCH
CHAIN,ROLLER
Possible match (shared part number)Emerson Power Transmission Corporation Div Ept
Cross-Reference Index
Part NumberManufacturer
12511 Magnespec Inc (USA)
1M129-1 PRIMARY Northrop Grumman Corp Electronic Systems Defensive System Div (USA)
Reference documents
ReferenceMeaning
12511 5/9 Secondary reference
Bell Industries Inc J W Miller Magnetics Div
Related Parts
5935-00-430-6319POSSIBLE MATCH
CONNECTOR,PLUG,ELECTRICAL
125-1-1
5315-00-436-9886POSSIBLE MATCH
PIN,STRAIGHT,HEADLESS
1M1291
1680-00-515-4836POSSIBLE MATCH
ACTUATOR,ELECTROMECHANICAL,ROTAR
12363-1A
5330-00-770-5786POSSIBLE MATCH
RETAINER,PACKING
1193740
2940-01-024-0889POSSIBLE MATCH
FILTER ELEMENT,INTAKE AIR CLEANE
125-11
6515-01-103-4304POSSIBLE MATCH
BONE PLATE
5310-01-143-6456POSSIBLE MATCH
WASHER,LOCK
12511
5930-01-196-4774POSSIBLE MATCH
SWITCH,THERMOSTATIC
1251100
2815-01-265-2598POSSIBLE MATCH
VALVE,POPPET,ENGINE
12511
3020-01-424-4033POSSIBLE MATCH
CHAIN,ROLLER
12511
5962-01-425-8288POSSIBLE MATCH
MICROCIRCUIT,DIGITAL
1251-1

Frequently Asked Questions

What is NSN 5950-00-189-3097?

NSN 5950-00-189-3097 is a Reactor, manufactured by Northrop Grumman Corp Electronic Systems Defensive System Div, classified under FSC 5950, Coils and Transformers. Status: active.

What part numbers are listed for NSN 5950-00-189-3097?

NSN 5950-00-189-3097 has 2 manufacturer part numbers on file: 12511 (Magnespec Inc), 1M129-1 (Northrop Grumman Corp Electronic Systems Defensive System Div).

What NSN replaces 5950-00-189-3097?

11 possible matches (shared part number, not a government interchangeability claim): 5935-00-430-6319, 5315-00-436-9886, 1680-00-515-4836. Verify interchangeability with system specifications before substitution.

What are the specifications of 1M129-1?

Key specifications for 1M129-1: Mounting Facility Quantity: 2 SINGLE GROUP; Inclosure Type: HERMETICALLY SEALED; Mounting Method: THREADED HOLE(S) SINGLE GROUP; Inductance Rating: 16.50 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING. 19 specifications are documented in the U.S. Government catalog.

Is NSN 5950-00-189-3097 hazardous material?

Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

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✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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