PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C2928-50Transformer,power

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple · NSN 5950-00-646-2179 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-646-2179 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-646-2179. Primary manufacturer part number: C2928-50.
Features
  • Transformer,power — FSC 5950
  • Terminal Type and Quantity: 12 STANDOFF, SOLDER LUG
  • Winding Operating Voltage: 80.00 AC VOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY
  • Inclosure Type: HERMETICALLY SEALED WITH OIL
  • Mounting Method: UNTHREADED STUD SINGLE GROUP
  • Winding Function and Quantity: 1 PRIMARY AND 4 SECONDARY SINGLE COMPONENT
  • Body Length: 4.125 INCHES NOMINAL IN
  • Winding Operating Current: 4.9 AMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-646-2179, 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 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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
NSN5950-00-646-2179
Primary Part NumberC2928-50
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
StatusCANCELLED
Terminal Type and Quantity12 STANDOFF, SOLDER LUG
Winding Operating Voltage80.00 AC VOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY
Inclosure TypeHERMETICALLY SEALED WITH OIL
Mounting MethodUNTHREADED STUD SINGLE GROUP
Winding Function and Quantity1 PRIMARY AND 4 SECONDARY SINGLE COMPONENT
Body Length4.125 INCHES NOMINAL IN
Winding Operating Current4.9 AMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Winding Operating Current100.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FOURTH SECONDARY
Winding Operating Current1.75 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Operating Current12.0 AMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
Frequency Rating60.0 HERTZ MINIMUM AND 400.0 HERTZ MAXIMUM SINGLE COMPONENT
Winding Operating Voltage6.40 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Winding Operating Voltage6.40 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
Winding Operating Voltage2.50 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Winding Operating Voltage105.00 AC VOLTS NOMINAL AND 117.00 AC VOLTS NOMINAL AND 125.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Mounting Facility Quantity4 SINGLE GROUP
Body Width3.500 INCHES NOMINAL IN
Body Height4.875 INCHES NOMINAL IN
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4820-00-146-4111 INTERCHANGEABLE
Body,valve
5310-00-186-0968 INTERCHANGEABLE
Washer,key
6210-00-225-269221013 INTERCHANGEABLE
Lens
Wakmann Watch Company Inc
4730-00-453-99212-1013 INTERCHANGEABLE
Packing Nut
C & H Machine Inc Dba Support Equipment Inc.
5950-00-494-335921013 INTERCHANGEABLE
Reactor
Magnetika Inc
5935-00-534-3234970653-2 INTERCHANGEABLE
Retainer,electrical Connector
Raytheon Company Dba Raytheon
5360-01-017-251421013 INTERCHANGEABLE
Spring,helical,compression
Rogerson Aircraft Equipment Group
3120-01-103-6940 INTERCHANGEABLE
Bearing,crankshaft
5930-01-431-0491 INTERCHANGEABLE
Switch,sensitive
5340-01-521-865721013 INTERCHANGEABLE
Clamp,loop
Aba of America Inc
Cross-Reference Index
Part NumberManufacturer
21013 Freed Transformer Co (USA)
C2928-50 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA)
C2928-50 Northrop Grumman Systems Corporation Div Es Defensive Systems Division (USA)
C2928-50 Scomill Inc (USA)
Related Parts
4820-00-146-4111INTERCHANGEABLE
BODY,VALVE
5310-00-186-0968INTERCHANGEABLE
WASHER,KEY
6210-00-225-2692INTERCHANGEABLE
LENS
21013
4730-00-453-9921INTERCHANGEABLE
PACKING NUT
2-1013
5950-00-494-3359INTERCHANGEABLE
REACTOR
21013
5935-00-534-3234INTERCHANGEABLE
RETAINER,ELECTRICAL CONNECTOR
970653-2
5360-01-017-2514INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
21013
3120-01-103-6940INTERCHANGEABLE
BEARING,CRANKSHAFT
5930-01-431-0491INTERCHANGEABLE
SWITCH,SENSITIVE
5340-01-521-8657INTERCHANGEABLE
CLAMP,LOOP
21013
6532-01-524-6932INTERCHANGEABLE
BLANKET,SURVIVAL
BPS-01
5930-01-608-7410INTERCHANGEABLE
SWITCH,PUSH
21013

Frequently Asked Questions

What is NSN 5950-00-646-2179?

NSN 5950-00-646-2179 is a Transformer,power, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-646-2179?

NSN 5950-00-646-2179 has 4 cross-referenced part numbers: 21013 (Freed Transformer Co), C2928-50 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple), C2928-50 (Northrop Grumman Systems Corporation Div Es Defensive Systems Division), C2928-50 (Scomill Inc).

What NSN replaces 5950-00-646-2179?

There are 12 known substitutes for 5950-00-646-2179: 4820-00-146-4111, 5310-00-186-0968, 6210-00-225-2692 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C2928-50?

Key specifications for C2928-50: Terminal Type and Quantity: 12 STANDOFF, SOLDER LUG; Winding Operating Voltage: 80.00 AC VOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY; Inclosure Type: HERMETICALLY SEALED WITH OIL; Mounting Method: UNTHREADED STUD SINGLE GROUP. 21 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-646-2179 still in active supply?

NSN 5950-00-646-2179 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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