PartsTable TECHNICAL DATA SHEET
NSN 5950-00-581-5558Government record, cited

Reactor5950-00-581-5558

NSN 5950-00-581-5558 · NIIN 005815558 · Part number 1259697
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · FSC 5950 — Coils and Transformers · FSG 59 — Electrical and Electronic Equipment Components · CAGE 10001
Government record, cited
NSN 5950-00-581-5558 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-581-5558. Manufacturer of record part number: 1259697.
Also searched as  5950-00-581-5558 · 5950005815558 · NIIN 005815558 · 00-581-5558 · FSC 5950 Coils and Transformers · CAGE 10001 · 1259697 · GA10640 · GA10640 · GA10640
Nearby stock numbers  ·
Features
  • Reactor — FSC 5950
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Inclosure Type: HERMETICALLY SEALED
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.875 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Mounting Method: THREADED STUD(S) SINGLE GROUP
  • Inductance Rating: 25.00 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
  • Body Width: 2.875 INCHES NOMINAL IN
  • Body Height: 3.281 INCHES NOMINAL IN
Identification
  • NSN: 5950-00-581-5558
  • NIIN: 005815558
  • FSC: 5950 — Coils and Transformers
  • FSG: 59 — Electrical and Electronic Equipment Components
  • Primary part number: 1259697
  • Manufacturer: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
General Description

The Reactor, cataloged under National Stock Number 5950-00-581-5558, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-581-5558
Primary Part Number1259697
Item NameReactor
FSC / FSG5950 / 59 — Coils and Transformers
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Mounting Facility Quantity4 SINGLE GROUP
Inclosure TypeHERMETICALLY SEALED
Center to Center Distance Between Mounting Facilities Parallel to Length1.875 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Inductance Rating25.00 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
Body Width2.875 INCHES NOMINAL IN
Body Height3.281 INCHES NOMINAL IN
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Body Length3.000 INCHES NOMINAL IN
Winding Operating Current800.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDING
DC Resistance Rating in Ohms0.700 SINGLE COMPONENT SINGLE WINDING
Reliability IndicatorNOT ESTABLISHED
Winding Quantity1 SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Width1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Thread Quantity Per Inch32 SINGLE GROUP
Terminal Type and Quantity2 STANDOFF INSULATOR
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
Cross-Reference Index
Part NumberManufacturer
1259697 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Reference documents
ReferenceMeaning
GA10640 5/9 Secondary reference
American Telephone and Telegraph Co
GA10640 C/1 Advisory reference — outside the item-of-supply concept
Lucent Technologies Inc Corporate Headquarters
GA10640 5/9 Secondary reference
Lucent Technologies Inc Dba Federal Marketing Group
No interchangeability data on file.
Other items in FSC 5950 — Coils and Transformers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5950-00-000-0146
TRANSFORMER,POWER
5950-00-001-1372
COIL,RADIO FREQUENCY
5950-00-001-1386
COVER,ELECTRICAL TRANSFORMER
5950-00-001-1410
5950-00-001-1410 · Item name not on file
5950-00-001-1411
5950-00-001-1411 · Item name not on file
5950-00-001-1412
5950-00-001-1412 · Item name not on file
5950-00-001-1413
5950-00-001-1413 · Item name not on file
5950-00-001-1414
5950-00-001-1414 · Item name not on file

Frequently Asked Questions

What is NSN 5950-00-581-5558?

NSN 5950-00-581-5558 is a Reactor, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5950, Coils and Transformers. Status: active.

What part numbers are listed for NSN 5950-00-581-5558?

NSN 5950-00-581-5558 has 1 manufacturer part number on file: 1259697 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What are the specifications of 1259697?

Key specifications for 1259697: Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: HERMETICALLY SEALED; Center to Center Distance Between Mounting Facilities Parallel to Length: 1.875 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Mounting Method: THREADED STUD(S) SINGLE GROUP. 19 specifications are documented in the U.S. Government catalog.

Is NSN 5950-00-581-5558 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.

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