PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CE78990Transformer,power

National Security Agency · NSN 5950-00-682-3053 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-682-3053 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-682-3053. Primary manufacturer part number: CE78990.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Winding Shielding Method: INTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
  • Winding Operating Voltage: 107.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Frequency Rating: 50.0 HERTZ MINIMUM AND 65.0 HERTZ MAXIMUM SINGLE COMPONENT
  • Body Length: 2.938 INCHES NOMINAL IN
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Mounting Facility Quantity: 4 SINGLE GROUP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-682-3053, 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 National Security Agency. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-682-3053
Primary Part NumberCE78990
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNational Security Agency
StatusCANCELLED
Reliability IndicatorNOT ESTABLISHED
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
Winding Operating Voltage107.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Frequency Rating50.0 HERTZ MINIMUM AND 65.0 HERTZ MAXIMUM SINGLE COMPONENT
Body Length2.938 INCHES NOMINAL IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Mounting Facility Quantity4 SINGLE GROUP
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Body Width2.562 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Length2.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Function and Quantity2 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Body Height4.188 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Width2.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL PRIMARY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Inclosure TypeHERMETICALLY SEALED
Terminal Type and Quantity6 STANDOFF, SOLDER LUG
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Winding Operating Current140.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Thread Quantity Per Inch32 SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5330-00-146-2990 INTERCHANGEABLE
Gasket
3020-00-200-11156204K141 INTERCHANGEABLE
Pulley,groove
Mcmaster-Carr Supply Co
6105-00-236-67831459-3087 INTERCHANGEABLE
Motor,control
Raytheon Company Dba Raytheon Co
4810-00-343-526701T174-113 INTERCHANGEABLE
Seat,valve
Falls Filtration Technologies, Inc.
5120-00-575-52389005296 INTERCHANGEABLE
Wrench,open End Box
Us Army Aviation and Missile Command
5950-00-590-2223 INTERCHANGEABLE
Coil,radio Frequency
5330-00-595-60996806 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
3020-00-783-8354 INTERCHANGEABLE
Pulley,groove
1270-00-832-229528130 INTERCHANGEABLE
Shroud,front Dust,w
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
5961-00-931-7875095451 INTERCHANGEABLE
Rectifier,semiconductor Device,u
Ge Aviation Systems Llc
Cross-Reference Index
Part NumberManufacturer
6806 Foster Transformer Co Div Foster Transformer Company (USA)
CE78990 PRIMARY National Security Agency (USA)
28130 PRIMARY Freed Transformer Co (USA)
Related Parts
5330-00-146-2990INTERCHANGEABLE
GASKET
3020-00-200-1115INTERCHANGEABLE
PULLEY,GROOVE
6204K141
6105-00-236-6783INTERCHANGEABLE
MOTOR,CONTROL
1459-3087
4810-00-343-5267INTERCHANGEABLE
SEAT,VALVE
01T174-113
5120-00-575-5238INTERCHANGEABLE
WRENCH,OPEN END BOX
9005296
5950-00-590-2223INTERCHANGEABLE
COIL,RADIO FREQUENCY
5330-00-595-6099INTERCHANGEABLE
SEAL,PLAIN ENCASED
6806
3020-00-783-8354INTERCHANGEABLE
PULLEY,GROOVE
1270-00-832-2295INTERCHANGEABLE
SHROUD,FRONT DUST,W
28130
5961-00-931-7875INTERCHANGEABLE
RECTIFIER,SEMICONDUCTOR DEVICE,U
095451
4730-01-056-0853INTERCHANGEABLE
CLAMP,HOSE
6306
3610-01-229-2202INTERCHANGEABLE
COPYING MACHINE,DIRECT ELECTROST
6806

Frequently Asked Questions

What is NSN 5950-00-682-3053?

NSN 5950-00-682-3053 is a Transformer,power, manufactured by National Security Agency, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-682-3053?

NSN 5950-00-682-3053 has 3 cross-referenced part numbers: 6806 (Foster Transformer Co Div Foster Transformer Company), CE78990 (National Security Agency), 28130 (Freed Transformer Co).

What NSN replaces 5950-00-682-3053?

There are 12 known substitutes for 5950-00-682-3053: 5330-00-146-2990, 3020-00-200-1115, 6105-00-236-6783 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of CE78990?

Key specifications for CE78990: Reliability Indicator: NOT ESTABLISHED; Winding Shielding Method: INTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT; Winding Operating Voltage: 107.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY; Frequency Rating: 50.0 HERTZ MINIMUM AND 65.0 HERTZ MAXIMUM SINGLE COMPONENT. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-682-3053 still in active supply?

NSN 5950-00-682-3053 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.
PartsTable Design LLC · partstable.com