PartsTable TECHNICAL DATA SHEET
NSN 5950-01-259-2011Government record, cited

Transformer, Power5950-01-259-2011

NSN 5950-01-259-2011 · NIIN 012592011 · Part number R-20665
Pico Electronics Inc · FSC 5950 — Coils and Transformers · FSG 59 — Electrical and Electronic Equipment Components · CAGE 31669
Government record, cited
NSN 5950-01-259-2011 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-259-2011. Manufacturer of record part number: R-20665.
Also searched as  5950-01-259-2011 · 5950012592011 · NIIN 012592011 · 01-259-2011 · FSC 5950 Coils and Transformers · CAGE 31669 · R-20665 · 8504871
Nearby stock numbers  ·
Features
  • Transformer,power — FSC 5950
  • Inclosure Type: FULLY INCLOSED
  • Winding Power Rating: 0.5 VOLTS-AMPERES SINGLE COMPONENT ALL SECONDARY
  • Body Outside Diameter: 0.750 INCHES NOMINAL IN
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Mounting Method: TERMINAL SINGLE GROUP
  • Maximum Transformer Power Rating: 1.0 VOLT-AMPERE SINGLE COMPONENT
  • Winding Function and Quantity: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Identification
  • NSN: 5950-01-259-2011
  • NIIN: 012592011
  • FSC: 5950 — Coils and Transformers
  • FSG: 59 — Electrical and Electronic Equipment Components
  • Primary part number: R-20665
  • Manufacturer: Pico Electronics Inc
General Description

The Transformer,power, cataloged under National Stock Number 5950-01-259-2011, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Pico Electronics Inc. Government technical data includes 16 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. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-259-2011
Primary Part NumberR-20665
Item NameTransformer,power
FSC / FSG5950 / 59 — Coils and Transformers
ManufacturerPico Electronics Inc
StatusACTIVE
Inclosure TypeFULLY INCLOSED
Winding Power Rating0.5 VOLTS-AMPERES SINGLE COMPONENT ALL SECONDARY
Body Outside Diameter0.750 INCHES NOMINAL IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Mounting MethodTERMINAL SINGLE GROUP
Maximum Transformer Power Rating1.0 VOLT-AMPERE SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Features ProvidedTINNED WIRE LEADS
Maximum Operating Temp105.0 CELSIUS DEGC
Body Length0.375 INCHES MAXIMUM IN
Winding Operating Current102.0 MILLIAMPERES AC NOMINAL SINGLE COMPONENT ALL SECONDARY
Reliability IndicatorNOT ESTABLISHED
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Operating Voltage5.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL SECONDARY
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Terminal Type and Quantity6 WIRE LEAD
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
R-20665 PRIMARY Pico Electronics Inc (USA)
8504871 Honeywell International Inc. Dba Honeywell International (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 5950-01-259-2011?

NSN 5950-01-259-2011 is a Transformer,power, manufactured by Pico Electronics Inc, classified under FSC 5950, Coils and Transformers. Status: active.

What part numbers are listed for NSN 5950-01-259-2011?

NSN 5950-01-259-2011 has 2 manufacturer part numbers on file: R-20665 (Pico Electronics Inc), 8504871 (Honeywell International Inc. Dba Honeywell International).

What are the specifications of R-20665?

Key specifications for R-20665: Inclosure Type: FULLY INCLOSED; Winding Power Rating: 0.5 VOLTS-AMPERES SINGLE COMPONENT ALL SECONDARY; Body Outside Diameter: 0.750 INCHES NOMINAL IN; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT. 16 specifications are documented in the U.S. Government catalog.

Is NSN 5950-01-259-2011 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.
PartsTable Design LLC · partstable.com