PartsTable TECHNICAL DATA SHEET
NSN 5950-01-203-4015Government record, cited

Reactor5950-01-203-4015

NSN 5950-01-203-4015 · NIIN 012034015 · Part number 166956
Northrop Grumman Systems Corporation · FSC 5950 — Coils and Transformers · FSG 59 — Electrical and Electronic Equipment Components · CAGE 21877
Government record, cited
NSN 5950-01-203-4015 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-203-4015. Manufacturer of record part number: 166956.
Also searched as  5950-01-203-4015 · 5950012034015 · NIIN 012034015 · 01-203-4015 · FSC 5950 Coils and Transformers · CAGE 21877 · 166956 · PEI 8142 · TW71474 · 636401
Nearby stock numbers  ·
Features
  • Reactor — FSC 5950
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Inclosure Type: FULLY INCLOSED
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.450 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Mounting Method: UNTHREADED HOLE(S) SINGLE GROUP
  • Inductance Rating: 275.00 MICROHENRIES MINIMUM AND 368.00 MICROHENRIES MAXIMUM SINGLE COMPONENT SINGLE WINDING
  • Body Width: 1.910 INCHES MAXIMUM IN
  • Body Height: 1.330 INCHES NOMINAL IN
Identification
  • NSN: 5950-01-203-4015
  • NIIN: 012034015
  • FSC: 5950 — Coils and Transformers
  • FSG: 59 — Electrical and Electronic Equipment Components
  • Primary part number: 166956
  • Manufacturer: Northrop Grumman Systems Corporation
General Description

The Reactor, cataloged under National Stock Number 5950-01-203-4015, 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 Systems Corporation. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-203-4015
Primary Part Number166956
Item NameReactor
FSC / FSG5950 / 59 — Coils and Transformers
ManufacturerNorthrop Grumman Systems Corporation
StatusACTIVE
Mounting Facility Quantity4 SINGLE GROUP
Inclosure TypeFULLY INCLOSED
Center to Center Distance Between Mounting Facilities Parallel to Length1.450 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Inductance Rating275.00 MICROHENRIES MINIMUM AND 368.00 MICROHENRIES MAXIMUM SINGLE COMPONENT SINGLE WINDING
Body Width1.910 INCHES MAXIMUM IN
Body Height1.330 INCHES NOMINAL IN
Mounting Hole Diameter0.166 INCHES NOMINAL SINGLE GROUP IN
Maximum Operating Temp65.0 CELSIUS DEGC
Body Length1.910 INCHES MAXIMUM IN
Winding Operating Current6.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDING
DC Resistance Rating in Ohms0.023 SINGLE COMPONENT SINGLE WINDING
Reliability IndicatorNOT ESTABLISHED
Winding Quantity1 SINGLE COMPONENT
Frequency Rating360.0 HERTZ MINIMUM AND 30.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Width1.450 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Terminal Type and Quantity2 WIRE HOOK
Inductance TypeSWINGING
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
PEI 8142 Precision Electronics, Inc (USA)
TW71474 Magnetika (USA)
636401 Electronic Transformer Corp Div Electronic Transformer Corporation (USA)
166956 PRIMARY Northrop Grumman Systems Corporation (USA)
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 5950-01-203-4015?

NSN 5950-01-203-4015 is a Reactor, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5950, Coils and Transformers. Status: active.

What part numbers are listed for NSN 5950-01-203-4015?

NSN 5950-01-203-4015 has 4 manufacturer part numbers on file: PEI 8142 (Precision Electronics, Inc), TW71474 (Magnetika), 636401 (Electronic Transformer Corp Div Electronic Transformer Corporation), 166956 (Northrop Grumman Systems Corporation).

What are the specifications of 166956?

Key specifications for 166956: Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Center to Center Distance Between Mounting Facilities Parallel to Length: 1.450 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Mounting Method: UNTHREADED HOLE(S) SINGLE GROUP. 19 specifications are documented in the U.S. Government catalog.

Is NSN 5950-01-203-4015 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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