PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2666101-1Transformer,power

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5950-00-052-8531 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-052-8531 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-052-8531. Primary manufacturer part number: 2666101-1.
Features
  • Transformer,power — FSC 5950
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 1.172 INCHES MINIMUM AND 1.204 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Winding Operating Current: 70.0 MILLIAMPERES DC MINIMUM AND 220.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT ALL SECONDARY
  • Reliability Indicator: NOT ESTABLISHED
  • Body Height: 2.380 INCHES MAXIMUM IN
  • Terminal Type and Quantity: 10 TAB, SOLDER LUG
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.172 INCHES MINIMUM AND 1.204 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Body Width: 1.620 INCHES MAXIMUM IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-052-8531, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-052-8531
Primary Part Number2666101-1
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusCANCELLED
Center to Center Distance Between Mounting Facilities Parallel to Width1.172 INCHES MINIMUM AND 1.204 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Current70.0 MILLIAMPERES DC MINIMUM AND 220.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT ALL SECONDARY
Reliability IndicatorNOT ESTABLISHED
Body Height2.380 INCHES MAXIMUM IN
Terminal Type and Quantity10 TAB, SOLDER LUG
Center to Center Distance Between Mounting Facilities Parallel to Length1.172 INCHES MINIMUM AND 1.204 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Width1.620 INCHES MAXIMUM IN
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Winding Operating Voltage105.80 AC VOLTS MINIMUM AND 124.20 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Operating Voltage8.25 AC VOLTS MINIMUM AND 40.50 AC VOLTS MAXIMUM SINGLE COMPONENT ALL SECONDARY
Body Length1.620 INCHES MAXIMUM IN
Mounting Facility Quantity4 SINGLE GROUP
Inclosure TypeHERMETICALLY SEALED WITH OIL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
5330-00-066-5626 INTERCHANGEABLE
Gasket
3110-00-100-0327552A INTERCHANGEABLE
Cup,tapered Roller Bearing
The Timken Corporation
5950-00-276-1278 INTERCHANGEABLE
Transformer,power
5950-00-679-910230059 INTERCHANGEABLE
Coil,radio Frequency
Thordarson Inc
6210-01-078-45453005-9 INTERCHANGEABLE
Light Assembly,indicator
Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron
6510-01-113-920930-059 INTERCHANGEABLE
Sponge,surgical
Deroyal Industries Inc
5935-01-174-1132 INTERCHANGEABLE
Connector,receptacle,electrical
5950-01-229-2577 INTERCHANGEABLE
Transformer,power
5330-01-649-609430059 INTERCHANGEABLE
Gasket
Generac Mobile Products, Llc
5360-01-734-200430059 INTERCHANGEABLE
Spring,helical,compression
Mid-America Aerotech, Llc
Cross-Reference Index
Part NumberManufacturer
30059 Telegenix Inc Dba Grim Corp (USA)
H-925 Magnetika Inc (USA)
SC5950-0008-1 Drs Icas, Llc (USA)
4037386-0701 Raytheon Company Dba Raytheon Co (USA)
2666101-1 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
H-925 United Transformer Corp Sub of Opt Industries Inc (USA)
Related Parts
5330-00-066-5626INTERCHANGEABLE
GASKET
3110-00-100-0327INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
552A
5950-00-276-1278INTERCHANGEABLE
TRANSFORMER,POWER
5950-00-679-9102INTERCHANGEABLE
COIL,RADIO FREQUENCY
30059
6210-01-078-4545INTERCHANGEABLE
LIGHT ASSEMBLY,INDICATOR
3005-9
6510-01-113-9209INTERCHANGEABLE
SPONGE,SURGICAL
30-059
5935-01-174-1132INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5950-01-229-2577INTERCHANGEABLE
TRANSFORMER,POWER
5330-01-649-6094INTERCHANGEABLE
GASKET
30059
5360-01-734-2004INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
30059

Frequently Asked Questions

What is NSN 5950-00-052-8531?

NSN 5950-00-052-8531 is a Transformer,power, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-052-8531?

NSN 5950-00-052-8531 has 6 cross-referenced part numbers: 30059 (Telegenix Inc Dba Grim Corp), H-925 (Magnetika Inc), SC5950-0008-1 (Drs Icas, Llc), 4037386-0701 (Raytheon Company Dba Raytheon Co), 2666101-1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier) and 1 more.

What NSN replaces 5950-00-052-8531?

There are 10 known substitutes for 5950-00-052-8531: 5330-00-066-5626, 3110-00-100-0327, 5950-00-276-1278 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2666101-1?

Key specifications for 2666101-1: Center to Center Distance Between Mounting Facilities Parallel to Width: 1.172 INCHES MINIMUM AND 1.204 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Winding Operating Current: 70.0 MILLIAMPERES DC MINIMUM AND 220.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT ALL SECONDARY; Reliability Indicator: NOT ESTABLISHED; Body Height: 2.380 INCHES MAXIMUM IN. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-052-8531 still in active supply?

NSN 5950-00-052-8531 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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